Easton Direct Mount Chainring - Black 40T

Easton direct mount rings use a new narrow / wide design specifically tailored to road / cx / gravel applications. The individual tooth profile has moved from the traditional symmetrical shape to a more directional specific design with the intention to create a positive chain roller engagement. This helps with chain retention and is critical to prevent chain slip and bounce over rough terrain. Combined with taller teeth the Easton narrow/wide ring can be used without a chain guide or clutch derailleur. Wide-tooth material has been removed from each side to reduce running noise and drag when running at extreme edges of the cassette. Combined with additional material removal at the base of the teeth ensuring excellent mud shed and chain retention in the muddiest of CX conditions. To connect the outer ring to the Cinch interface an asymmetric four arm shape allowing for larger stiffer arms in the power zones of the pedal stoke and an overall reduction of weight with thinner arms in pedall