Bike Bicycle Chainwheel Cranksets Crankset Cranks 42T Aluminum Alloy<br /><br />Specification:<br />Material of crank: Alunminum alloy<br />Length of crank:   170mm<br />Chainwheel teeth: 24-34-42T<br />B.B.AXLE: 110MM-113MM (22-68-20.5R)<br />Feature: Detachable Crankset<br /><br />Package includes:<br />1x Crank<br />1x Arm