Shimano SL-BS79 7900 Bar End Shifters User Manual
Contents
1. Sprockets 10 Installation of the lever When installing the components to carbon frame handle bar surfaces verify with the manufacturer of the carbon frame parts for their recommendation on tightening torque in order to prevent over tightening that can cause damage to the carbon material and or under tightening that can cause lack of fixing strength for the components The illustration shows an explanation of the case where the shifting lever is installed to drop handlebars Install the front lever in the same way 1 Attach the body unit to the handlebar and then use a 5 mm Allen key to turn the body fixing bolt counterclockwise to tighten it 4 Lever grip oai Install the outer casing stopper to the brazed on boss Brazed on boss M5 wN Stopper fixing bolt 3 mm Allen key YY Outer casing stopper SM CS50 Tightening torque 1 5 2 N m 13 17 in Ibs Tightening torque 5 6 N m 43 52 in Ibs C Body fixing bolt Body unit 5 mm Allen key 2 Install the lever boss to the body unit A A Lever boss Set so that the projection faces downward Right Thickness large Left Thickness small 5 With the outer casing placed along the handlebar cover the outer casing with the outer casing guide and then use tape or similar material to provisionally 6 attach it to the handlebar Tape Wrap2. sliding surfaces of the inner cable and outer casing should be greased before use The shifting lever can be installed to handlebars with diameters of 19 0 22 0 mm Operation of the levers related to gear shifting should be made only when the front chainwheel is turning Parts are not guaranteed against natural wear or deterioration resulting from normal use For any questions regarding methods of handling or maintenance please contact the place of purchase Technical Service Instructions SI 6RPOA 001 Bar End Shifting Lever SL BS79 SHIMANO SHIMANO AMERICAN CORPORATION One Holland Irvine California 92618 U S A Phone 1 949 951 5003 SHIMANO EUROPE B V Industrieweg 24 8071 CT Nunspeet The Netherlands Phone 31 341 272222 SHIMANO INC 3 77 Oimatsu cho Sakai ku Sakai shi Osaka 590 8577 Japan Please note specifications are subject to change for improvement without notice English May 2008 by Shimano Inc XBC SZK Printed in Japan In order to realize the best performance we recommend that the following combination be used Series DURA ACE Shifting lever SL BS79 Rear derailleur RD 7900 Front derailleur FD 7900 Outer casing SP41 sealed outer casing 3 Install the lever to the body unit Inner cable 1 2 mm dia stainless steel Ti ightening torque Bottom bracket guide SM SP17 2 5 3 N m 21 26 in Ibs
3. the handlebar with bar tape
4. DURA ACE Bar End Shifting Lever SL BS79 10 Speed For Front Lever For Rear Lever Oo y ee X amp ITEM SHIMANO IN NO CODENO DESCRIPTION TERBILITY 1 Y 6RP02000 Lever Fixing Screw M5 x 19 for Rear i i Y 65A 24200 Lever Fixing Screw M5 x 17 for Front Y 6J6 01000 Lever Boss Cover for Rear A j 2 643 43010 Lever Boss Cover for Front Ao i 3 Y 6RP50000 Lever Axle 4 Y 6RP49000 Body Fixing Bolt i i 5 Y 628 90010 Segment Unit A A 6 Y 86B 22000 Outer Cable Guide ALA A Same parts 0811 2873A B Parts are usable but differ in materirals appearance finish size etc Absence of mark indicates non interchangeability Specifications are subject to change without notice SHIMANO General Safety Information A WARNING To avoid serious injuries Obtain and read the service instructions carefully prior to installing the parts Loose worn or damaged parts may cause the bicycle to fall over and serious injury may occur as a result We strongly recommend only using genuine Shimano replacement parts Read these Technical Service Instructions carefully and keep them in a safe place for later reference Note For smooth operation use the specified outer casing and bottom bracket cable guide Because the high cable resistance of a frame with internal cable routing would impair the SIS function this type of frame should not be used The
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