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more violent impacts and the repetitive violence caused by hitting gates
Yaw Technology
Complete with rear lightboard
No more hunting down videos or trainers for workout demonstrations
Shimano FC-RS520 12 Speed Chainset Tooth Range:50/34T more violent impacts and theShimano FC RS520 12 Speed Chainset The Shimano FC RS520 105 Double 12 Speed Chainset is a 2 piece crank that uses an outboard, 24 mm bottom bracket and features 2x12 speed 50 34T chainrings. It uses a 4 arm construction and is compatible with modern disc brake road frames. The chainring teeth have been developed to work in conjunction with Hyperglide plus 12 speed chains for increased contact to provide greater efficiency and improved power transfer.
