Shimano FC-RS520 12 Speed Chainset Crank Arm Length:175mm R2C2 and World Cup from

R2C2 and World Cup from 2010 onwards (35mm chassis)

Freehub: Shimano HG (SRAM XD driver included)

Tooth: 40 or 42T

street lights and even fellow cyclists lighting systems

P ZERO™ ROAD aims to be the perfect solution for those riders who are looking for balanced performance

Shimano FC-RS520 12 Speed Chainset Crank Arm Length:175mm R2C2 and World Cup fromShimano 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.