BESV TRB1, Technical Manual

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3.9 Fitting the spider, chain ring and groove nut
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Brose groove nut (C13572)
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Torque wrench
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Bottom bracket tool for ISIS bottom bracket
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Brose groove nut = 25-30 Nm
3.9.1 Connecting the spider and chain rings
 Assemble spider and chain rings accor-ding to manufacturer's specifications.
3.9.2 Fitting the spider and chain ring unit
-
Make sure that you apply the specified
torque.
 Mount pre-assembled unit consisting of
spider and chair ring (1) on drive shaft (2).
 Screw on Brose groove nut (3) and
secure with bottom bracket tool.
 Mount drive chain according to your own
specifications.
Optional
 For double chain rings, mount front
derailleur according to manufacturer's
specifications.
B025-0
1
2
3
B026-0