Installation
The correct installation of your new Bontrager crankset is critical to your safety, so this work should be performed only by an experienced mechanic. If you are not sure of your ability to correctly install this crankset, have the crankset installed by your Bontrager dealer.
Make sure your crankset is compatible
Before installing this crankset on any bike, check with your dealer or the Bontrager technical service department to ensure that this Bontrager crankset is compatible with your bicycle frame.
This crankset has the following dimensions, which cannot be modi- fied:
•“English” bottom bracket, 1.27 x 24 tpi threading
•68 mm bottom bracket shell (67.25 to 68.25 mm)
• “English” pedals, 9/16 x 20 tpi threading
To install the bearing cups
1.Clean the bottom bracket threads.
2.Firmly snap the bottom bracket sleeve (black plastic) into the right cup.
3.Start the threads of the right cup by hand (Figure 3). The right cup has normal
threading.
3.Tighten the right cup to 430 lb•in
4. Start the threads of the left cup by hand (Figure 5). The left cup has
5. Tighten the left cup to 430 lb•in
N•m) (Figure 6). |
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| Figure 3 Start the threads | |
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| of the right cup by hand |
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Figure 4 Tighten the right cup
Figure 5 Start the threads | Figure 6 Tighten the left |
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of the left cup by hand | cup |
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| Installation |