Step 7 Install Bottom Bracket & Crankset
Bottom Bracket
Crankset
FIG. B
FIG. C
Install Bottom Bracket:
Thoroughly grease threads.
Turn each cup in with your fingers, make sure they are
on their corresponding side and started correctly so you
don’t cross the threads!
Drive side (right side) tighten counter-clockwise.
Non-drive side (left side) tighten clockwise.
Use BB-tool to fully torque (35-50 Nm).
Mount the Crankset: Start with right crank arm,
(the one with chainring and axle attached), slide axle
through Bottom Bracket and attach left crank arm to it,
tightening the preload bolt with the preload-key
(0.7-1.5Nm)
(FIG. B)
Install stopper plate and tighten the x2 (5mm)
hex-bolts (12-14 Nm)
(FIG. C)
Components
Tools
5
mm Crank/BB tool
Before you begin, inspect frame to check
bottom bracket for damaged threads/paint, etc.
If needed, use the correct amount of BB
Spacers corresponding to your
specific crank
See the full Bracket and Crankset manual from Shimano here
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