Shimano M771 XT Rear Deraillier
Shimano M771 XT Rear Deraillier
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·M771: Top-Normal (Traditional) ideal return spring for RapidFire
·Wide link parallelogram design increases rigidity and preformance
·P-body rubber bumper reduces noise and adds durability
·4 flouric coated link pivot bushings minimize friction
·Aluminum construction with 11 tooth pulleys (sealed bearing tension)
·240/245g
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