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• Obtain, read and carefully service instructions
when installing parts. A loose, worn, or
damaged parts may cause injury to the rider.
We strongly recommend that only genuine
Shimano replacement parts be used.
Front
Chainwheel
Bottom Bracket
SERVICE INSTRUCTIONS
SI-16S0A
FC-7710
BB-7710
Before use, read these instructions carefully, and follow them
for correct use.
144 mm
165 mm, 167.5 mm, 170 mm,
172.5 mm, 175 mm
B.C. 9/16" x 20 T.P.I. (English thread)
1/2" x 1/8", 1/2" x 3/32"
FC-7710Model number
Bolt circle diameter
Crank length
Pedal threads
Chain size
Product specifications
Front Chainwheel
BB-7710Model number
109.5 mmSpindle length
42.5 mmChain line
68 mm (B.C. 1.37 x 24 T.P.I.)Thread dimensions
Bottom Bracket
Note
• Use the applicable chain and bottom bracket
mentioned above.
• For maximum performance we highly recommend
Shimano lubricants and maintenance products.
• For any questions regarding methods of handling or
maintenance, please contact the place of purchase.
1. Place the crank arm onto the bottom bracket
spindle so that it meshes with the serrations on the
spindle.
2. Install the washer and fixing bolt and tighten the
fixing bolt.
3. Lastly, attach the cap.
Installation of the front chainwheel
Tightening torque:
5 - 7 Nm {44 - 60 in. lbs.}
Tightening torque:
35 - 50 Nm {305 - 435 in. lbs.}
Washer
Fixing bolt
8 mm Allen key
Cap
• The crank arm can be removed simply by turning the
fixing bolt counterclockwise.
• Apply grease to the reverse side of the cap and to the
contact surface of the fixing bolt.
1. Use the special tool (TL-UN74-S) to install the
bottom bracket. First install the main body, then the
adapter.
Installation of the Bottom Bracket
Left
Bottom bracket
Right
Apply grease to
the bottom bracket
before installing it.
Adapter/bottom bracket
tightening torque:
50 - 70 Nm {435 - 608 in. lbs.}
Crank arm
One Holland Irvine CA 92618 U.S.A. Phone 949-951-5003
®
Industrieweg 24 NL-8071 CT Nunspeet Holland Phone 31-341-272222
These service
instructions are printed
on recycled paper and
can be recycled again
WARNING
77
Oimatsu-cho 3-cho Sakai Osaka
Please note: specifications are subject to change for
(English)
© Sep. 2024 by SHIMANO INC. ITP
590-8577
Japan Phone
0722-23-3243
improvement without notice.
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