Mini125RD Online User Manual
Contents
1. Pag 22 Summary of Our Selling Policies Payment Money Orders Bank Checks Wire Transfers We will take Business or Personal Checks However items will not be shipped until check has cleared Sales Tax Unless specified differently sales within the EU are already inclusive of the sales tax Unless specified differently buyers outside of the EU are responsible for handling all import fees and international sales taxes Shipping We will ship anywhere in the world The buyer must pay the shipping costs All shipping cost quotes are an estimate and could change based on actual weight and if liftgate or a forklift is needed for unloading If the item needs to be crated this is a extra cost The cost is based on the size of the item If you want shipping insurance you must advise us Delivery The item will be ship 1 to 7 days after clearance of payment If item needs to be crated it may take extra time Items may be pickup by advance appointment Some items we sell require special trucks and trailers for shipping to be cost effective It could take anywhere from 7 to 14 days for you to received the item Refunds amp Unless specified differently we do accept returns Our return policy changes item by Returns item but it normally includes a 20 restocking fee All items are sold as is where is no warranty unless stated The products we sell are in new or less then new conditions since they are pre used for break in and for demonstration2. Figure 3 Spring and plastic bushing Figure 4 Wrong setup back to front bolting i Pag 13 Changing the rear wheel CONFIDENTIAL Two Free Wheel Setup Options Front Freewheel or Rear Hub Freewheel Front Freewheel setup o Rear Hub Freewheel Changing the Rear Pinion rear hub freewheel case CONFIDENTIAL Hold the freewheel hub with a thin 13mm wrench as the one normally used for bicycle wheel hub cones Unscrew the pinion helped by a pair of pliers or by a purpose made tool Take off the old pinion Screw in the new pinion without snagging it By pedalling it will get snagged in anyway Video of operation On Construction Pinion Removal Sequence Pag 14 The Pinion thread is M8x1 25mm Pinions Make sure to use plenty of grease while re assembling the pinion The grease will protect the hub mechanism from moisture and help out for the next time around in which the pinion will need to be removed There is no need to snag in place the pinion since it will get automatically snagged by the chain itself Lubricating the free wheel CONFIDENTIAL Pag 15 Wheel Options The Mini125RD has been designed to work with 125mm 110mm 100mm polyurethane PU wheels and with 150mm pneumatic wheels The nominal PU wheel width is 24mm but with some adaptation the also width from 28mm to 22mm can be accepted Some of the available wheels and colours The wheels are the same of the one used by inline
3. hinge by loosing the handlebar hinge knob and bring it to its plastic clamp seat The bicycle is right now folded and it can stand vertically the rear wheel down To unfold repeat the two previous operations backward ua gd BMiniTZ5 RD BE Folding Sequence j i Note to achieve vertical standing of the bicycle some tuning and adjustment of the right bar end might be needed by the end user Following steps are optional Brompton Cover Pag 2 Trolleying it around Pull Trolley Push Trolley Front hinge knobs 3 types available Pag 3 Ree a Front Hinge 4 ee Type3 Rear Hinge Adjusting the Seatpost By shortening by cutting or lengthening by adding a washer the seat post elastomer the distance between the saddle and the handlebar can be adjusted Make sure to keep the seat post kind of vertical Inclination of the saddle post should not exceed 2 degrees form a vertical line Pag 4 Rear Hinge unfolded ares 7 Adding a shim to adjust saddle position Atata Using an old tube cut out as a shim to dampen shocks It works quite effectively Make sure to have about 2 or 3mm of soft tube rubber cushion More will be too much less will be barely felt Pag 5 Front Fork Front fork parts confidential Especially during the first kilometers of use it might be required to tighten up the steering head set This can be done on the fly a
4. mandatory for aggressive riders PU compound hardness in shore A Ambient Temperature in degrees C Ambient T lt 15 C 15 C lt Ambient T lt 35 C 35 C lt Ambient T Normal Light Rider lt 60 kg 82A Plastic rim 82A Plastic rim Normal Heavy Rider lt 80kg 78A Plastic rim 82A Plastic rim Aggressive Rider Long Gears 82A Plastic rim 85A Aluminium rim i 85A Aluminium rim Pag 20 Maintenance timing Replace R Inspect I Lubricate L Adjust A During Before each Every 100 km Every 200 Every 500 Break in trip km km es QO Headset TA S e G S Rear Hinge o Aa o S Aa Front Hinge and Knob A eE e E y S F a guide o rings spring bellow Plastic camps o o e S S S S Chain Tension TA A Chain with 8 teeth sprocket ME S RE Rear sprocket 8 teeth J o Sb o RT Chain with 7 teeth sprocket b o RE Rear sprocket 7 teeth ER Chain with 6 teeth sprocket J ER S Rear sprocket 6 teeth ER f S S Rear Wheel if used with brake ER S Front Wheel if used with brake PR Ooo ee E A A a o RR Os LO Ls aii OO bushing aee OO bushing l rs i Eccentric Roller Bearings o ooo o e E E e a an Rear Wheel Hub connection Glue J o 0 Mo S S S Coo o S S S S Not Gorilla Proof This bicycle is intended for city street commuting and bicycle touring It has been designed to be as light as possible while being submitted to the typical loads generated by bicycle commuting U
5. rides at bicycle shows The paint may be blemished in few spots there may be some minor dents Some minor adjustments may be needed Contact Us We can be contacted by phone in Italy at 39 0114155618 or mobile phone 39 349 5472346 Email gqqanio geo yahoo com or regular mail We try our best to answer Emails within 24 Hrs If you have a question please do not hesitate to call us at anytime We want you to be a happy satisfied buyer so please does not hesitate to call with any type of question Pag 23 via Chiomonte 36 10093 Collegno Torino ITALY Tel 0039 011 4155618 cell 0039 349 5472346 Gganio geo yahoo com Chassis Data MODELLO Mini1 25RD SERIAL NUMBER COLOR PRODUCTION YEAR www w29h com vepo Online Edition of 27 November 2009 O Fla BMiniIZ5RD Pag 24
6. skates kick scooters and roller skis Therefore all of those wheels can be used on a Mini1 25RD Installing 110mm wheels To install the 110mm wheels you might want to modify the gearing of the bicycle to adapt it to the smaller wheels for example by using a 7 teeth rear sprocket The 110mm wheels are then installed in the same way as the 125mm wheels but it is required to adjust the brake spring length by removing spring segments 125mm and 110mm wheel Bikes Pag 16 Installing 100mm wheels To install the 100mm wheels a different rear brake is need This rear brake is available as spare part Additionally the front brake if available needs to be moved to the lower hole bema a ene GEE EE Ea z eee i r 3 pa Rated E pie tatty earn SO ee ee K cf 100mm wheel bike and rear brake Installing 150mm Pneumatic wheels and 145mm PU To install the 150mm pneumatic wheels a different lower front fork brakes and rear hub are needed All these parts are available as spare parts for people willing to modify their bicycle Pag 17 Fil eee hs MEF Eis i Fe On the Mini125RD_p bike sometimes it might be required to add a washer under the side handlebar plastic clamp to keep the handlebar away from touching the rear hub Without that washer the left handlebar grip might touch the tip of the rear hub bolt Miniti125RD_p Pneumatic Wheel Note Pneumatic tires are more comfortable then poly
7. 25mm down to 110mm The Mini125RD_100 has 100mm wheels The Mini125RD_p has pneumatic tires with a diameter of 150mm Since the frame is the same it is possible to switch from one model to an other by changing only few parts Portable Folding Bicycle Weight 5 9kg 12 9 Ib Chain Gear 84T X 8T or 84T X 7T free wheel Minimoto style chain Wheels 5 125mm and 110mm 4 3 with super high rebound polyurethane tyres 82A FOLDING TIME 5 sec Gear Development from 3 62m to 4 71m depending on wheel diameter 110mm to 125mm and rear sprocket 7T or 8T GEAR INCHES from 45 to 59 depending on wheel diameter 110mm to 125mm and rear sprocket 7T or 8T Crank Length 165mm Rider max weight 80kg 176 Ib Rider size from 140cm to 183cm 4 7 6 0 Folded size 73 x 31 x 22cm 28 7 x12 2 x8 7 Unfolded size 100 x 75 x 32cm 39 4 x29 5 x12 6 COLORS Anodized Silver DISTANCE SADDLE TO PEDAL Min 700 mm 27 5 Max 945 mm 37 FRAME Tig Welded Sheet metal tubes Aluminum construction FORK Integrated clamp mechanism suspended 1 travel Rear SUSPENSION elastomer non bobbing soft tail Folding and Unfolding the Bicycle The saddle post and the handlebar can pivot on their hinges and be placed on their respective folded resting positions located at the plastic clamps shown in the following pictures To fold release the saddle post latch and carefully drop the saddle into its plastic clamp Then release the handlebar
8. User Manual M i nN i 1 2 5 RD FOLDING BICYCLE Thank you for your patronage The Minit125RD is a new concept folding bicycle It is intended to be as light as possible This Folding bike is one of the lightest folding bicycle in the world Totally handmade It represents the state of the art of folding bikes With Super high rebound urethane wheels it becomes very fast with the potential to break speed records due to the low rolling friction Available also with 150mm pneumatic tires to negotiate rough pavement such as cobblestone It folds in seconds and it can stand vertically when folded Gearing can be changed either by the wheel diameter or by the rear pinion Available rear pinions are 6T 7T 8T 9T and 10T The final gear ratio is typical of cities bikes It rides very well on smooth pavements but it can handle also rough tarmac The version equipped with polyurethane wheels is front suspended making it the lightest front suspended Folding Bike by more then 4 5kg This bicycle can accept wheels from a diameter of 100mm to 150mm Mounted with 100mm wheels it becomes the bicycle with the smallest wheels on earth Now available in several models and wheels combinations Mini125RD Minit125RD_ob Mint125RD_100 and Mini125RD_p Minit125RD_ob stays for Mini125TRD_onebrake This model has only the rear brake The Mini125RD_onebrake weights 5 7kg The Mini125RD has two brakes These two models come with polyurethane wheels of a diameter ranging from 1
9. d kept not lubricated the bolt By doing this the bolt should not slip at all An other way to contrast slipping is to hold with your finger the bolt washer that normally enables snagging Snagging picture Pag 8 Important noise reduction device Inside the handlebar tube the brake housings are inserted into a small old bicycle tire tube The purpose of this is to reduce the noise made by the brake housing slamming inside the handlebar pipe Pag 9 Rear Hinge Rear hinge parts Confidential Make sure every now and then that the rear hinge screws are tight If the hinge is too loose then tight the screws up If by tightening up you have bottomed out and the two side washers are touching the hub pin brown hard anodized 20 mm aluminum tube then add a thin washer on the bike left side to enable yourself tightening up again When you tighten up the rear hinge always make sure not to over do it Always keep and eye on the internal Teflon washers not to squeeze them too much If the rear hinge is taken apart then use a 20mm extractor to remove the hinge pin and grease it up before re installing it Rear Hub and Eccentric Confidential Use Epoxy glue to improve connection between rear wheel and hub To help out the transmission of the torque from the rear hub to the wheel one technique is to add a few drops of epoxy glue between the hub and the wheel With metal core wheels it is possible to use instead epoxy glue t
10. is totally handcrafted as a complete custom prototype It has been built practically totally by me with the help of few friends Because it is totally handmade a certain level of adjustment and tuning will have to be performed by the final user since hand made products are not and can not be identical from each others Pag 21 Get Assistance On construction For assistance e mail gganio geo yahoo com Responsibility Disclaimer Bike Riding is dangerous and can be deadly This bike is a prototype Safety testing is still on progress The user is expected to evaluate on his own the safety of this bike The maker claims no responsibility for any injury or accident caused by the use of this bike Commercial Note Products and prices can change without notice Front suspension fork might have a little slant because we build it without a fixed jig sorry The Maker will provide Lifetime assistance and parts in case of need The Maker will pre test and break in some the prototypes for safety concerns Because of the prototype status of these products any of them can be delivered in new or less then new conditions since they will be pre used for break in and for demonstration rides at bicycle shows Available Spare Parts On construction To check availability e mail gganio geo yahoo com Extraordinary Maintenance ALL CONFIDENTIAL On Construction Change Pinion Hub Replace Main Hub Replace Eccentric bearings Replace eccentric
11. lted between the fork aluminium plate and a set of 3 or 4 washers That will provide a seat for the spring The failure is most of the times located on the brake cable right at the connection between the washers and the cable This failure is due to the fact that the cable get loaded axially thru the brake lever pull but also radially due to reaction forces created by the possible spring mis alignment When the radial force is generated by direct contact between the spring and the cable then this load became particularly damaging and it should be avoided Bolting the front brake cable with a back to front pattern will increase the spring getting off set likelihood and also increase the bicycle noise due to spring and fork vibration contact Sa same failure mode might happen in the rear brake though is less likely due to the lower forces that get applied to the rear brake cable We ask the bicycle user to increase the frequency of inspections to the brake cables front and rear at the connection area with the frame We ask the bicycle user to make sure that the plastic tubule inside the spring does protect the spring from touching the brake cable by being located in the lowest section of the spring Please for any additional help or to report failures contact me at gganio geo yahoo com Figure 1 Correct cable bolting pattern side picture Front to back bolting Pag 12 Figure 2 Correct cable bolting pattern front picture
12. o use thread lock liquid Do not be afraid even with the epoxy glue it will be then possible to take apart the wheel from its hub Sometimes it might be required to use a vive to pry apart the wheel from the hub Many times the rear wheel will hold on its hub just by snagging it in but if it slips it is better to glue it instead of tightening further the rear hub Aligning and Tensioning the Chain Installing the rear Wheel CONFIDENTIAL Note removing a link from the chain after having re tensioned the chain many times it might happen to run out of eccentric re tensioning capacity meaning it is turned all the way against the bottom bracket in that case it might be required to shorten the chain of one link That operation needs to be done with a chain breaker It can be done easily by any pocket bike mechanic since this bike uses the same chain as a pocket bike Brake Levers Brake levers are set as used in Japan Front brake on the right rear brake on the left Adjust the Brakes For either front or rear brake loose the cable brake screw Pull the cable brake till reaching the desired distance between the brake and the wheel Adjust the spring length if necessary by removing spring segments Carefully check the alignment of the brake and the wheel It is possible to adjust the alignment position of the brakes by carefully positioning either the brake spring or the brake cable housing Snag again the brake cable screw and if requi
13. red adjust the brake clearance with the adjustment screw located at the brake lever Pag 10 Video brake regulation on Construction Front and Rear brakes Snag the brake cable screw while tensioning the brake cable by hand Double check the brake and wheel alignment The brake is intended to freely move to the right position You can modify the position of the brake also by moving around the brake spring ia Adjust according to necessity the length of the brake spring by removing spring segments ad mee ae we Pag 11 Mini1 25RD Front brake cable bolting layout It is important to bolt the front brake cable to the fork side plate in a front to back pattern see following pictures Additionally it is important to make sure that inside the brake spring there is a plastic tablet bushing This bushing of transparent plastic in the picture needs to be as long as possible while allowing the brake to travel all the required distance Normally this length is about 35mm for 110mm wheels and 45mm for 125mm wheeled bikes The user need to make sure that this bushing does slide thru gravity to the lowest point possible inside the spring The purpose of this bushing is to eliminate direct contact between the brake spring and the brake cable If the brake spring touches the brake cable in the lower area right at the contact with the fork plate then the brake cable will fail rapidly The brake cable should be bo
14. s in the following picture by releasing the clamp that there is on top of the spring Then by pushing down the bike from the handlebar with your chest or belly and in the same time tightening back the clamp that there is on top of the spring This technique squeezes back the head set Normally after several kilometers the head set will stabilize and there will no need to squeeze it back The system has been designed in a way that squeezes itself under its own weight Pag 6 Compress the front fork by pushing the fork down with your chest and snag the clamp in the same time aaa 8 Pt oy A 1 p wW MAN s Ma k LE ea i f irei i gt T a ran The front brake axle includes two plastic shims These shims purpose is to help reducing the bicycle noise These shims need to be cut and adjusted bike by bike making sure that the front brake touches the front wheel in a symmetrical way Pag 7 Front Hinge and Handlebar Front hinge parts Confidential Front fork and handlebar are coupled and numbered Make sure to grease up the internals of the hinge By tightening the knob on the left of the picture the handlebar gets squeezed on the front fork Make sure when you tight it to push it as much as possible toward the head set If the bolt slips while you tighten the knob normally it will slip when it is already tight enough but you want to always to make sure that you have lubricated the knob screw an
15. sing this bicycle for free riding evolutions unreasonable accelerations hitting obstacles at unreasonable speeds or any other similar activity will result in the sudden failure of the bicycle in one of its parts Treat this bicycle with care pains Strong legged riders might experience pinion chain n6ise under heavy accelerations Ways to reduce the occurrence of this noise is to fension the chdin properly and to use a newer pinion Using a high quality crank might also help in reducing the occurrence of this noise The Pinion Chain Noise can occur for many hours before leading to chain pinion failure Stronger riders might get the free wheel to skid his condition can b sustained for some minutes before leading to free wheel failure Going downhill with this bicycle for more then 2 might lead to wheel melting This is function of the road grade of descent rider weight ambient temperature and several other factors Therefore this bicycle is not intended to be used on long downhill trips So far this bicycle has been tested for a rider maxifrtitA weig Poe 30kg Riding on wet surface is normally too skidding with new wheets gt With used wheels it is normally OK Furthermore when riding on wet surface because of the low distance of the roller bearings from the surface moisture will enter the roller bearings It is therefore required to lubricate the roller bearings after each wet ride Totally Handmade by me and friends This bicycle
16. urethane tires however they might have a higher rolling resistance Therefore while using the Minil25RD_p always keep in mind these things 1 A eee Always keep the tires inflated to the maximum pressure 90 psi 6 2 bar Tire pressure is one of the most important rolling resistance parameters Do not use tires that can not inflate up to at least 85 PSI 5 8 bar Consider that brand new tires will have a higher rolling friction then used ones Therefore you will notice that little by little the rolling friction improves Warmer tire rolls better then colder tire The bike will roll better during the summer And it will feel slow with cold tires during the winter Since you have to keep the tire always at maximal pressure you might want to consider spraying once into the tire a lattice rubber product therefore improving the capacity of the tire to hold its pressure BTW that spray lattice might be useful to repair punctures while travelling Prefer slick tires over threaded ones because they offer a better roll Equip yourself with a good bicycle pump or compressor with easy access to the wheel valve Tension and adjust the brakes carefully in a way that they do not touch the wheels while riding As you might notice the weight of the brake cable housing moves around the brake callipers in such a way that they might touch the rims while riding If after all these attentions you would like to further improve the rolling resistance or j
17. ust have a solution that doesn t require constant care of the tire pressure then you might want to use a 150mm polyurethane rear wheel see picture Pag 18 Mini125RD PU Wheel Rim Material Note Good polyurethane materials can be used till a temperature of about 80 degrees C During hot summer days the asphalt temperature can get very close to that limit Since the fact that the rear wheel warm up itself during riding because of energy dissipation that under hot condition can lead to rear wheel melting Rear wheel melting will be more likely to happen for heavy riders using bikes that have been set with a long gear Wheel melting will happen only with PU wheels with plastic rim By using metal core wheels the PU will not melt also at high weather temperatures and with very long gears because aluminum conduct about 100 times more then plastic the heat and therefore the PU will be kept under thermal threshold by dissipating the heat into the aluminum Pneumatic wheels are made with rubber therefore they have no melting problem Front wheels operates at lower loads therefore they can always use plastic rims Pag 19 Spring Summer Fall and Winter PU Wheels This table suggests which rear wheel to use function of your weight riding style and ambient temperature An other important factor is the quality of the pavement where you ride Softer compounds will be faster on coarser pavements Above 35 degrees C metal core wheels are
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