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| Rule to MTB world with free speed! Now you can enjoy what road racers have been using for years, the F1 Ceramic Pulley! |
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Features
- 11t F1 Ceramic Pulley Set
- Compatible with Shimano MTB derailleurs that use 11t pulleys
- Premium F1 Ceramic Bearings
- A great upgrade to achieve every last bit of speed possible!
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