The Shimano MT610 chainset features a 4-arm construction and 12-speed chainring, this chainset delivers smoother pedaling performance over bumpy terrain. Shimano's Dynamic Chain Engagment+ system features special mountain bike teeth profiles that improve chain engagement and retention. Features: Special MTB gear teeth profile improves chain engagement and retention. Dynamic Chain Engagment+. Reinforced 4-arm construction. Q-factor: 177 mm. Chainline: 52 mm. PCD: 96 mm.
Best Price: £64.99 from Merlin Cycles