Shimano STEPS CD-EM800 Chain Retention Device - Frame Mount Without Plate 32T/30T Chainring Model=Alfine FC-S501 Crankset Two wheel chassis and Burley

Two wheel chassis and Burley hitch system

Pedal Washers protect crankarms from pedal spindle hole damage common with platform pedals

Oversized asymmetrical head is made from Cro-Moly steel for superior strength and durability

Mountaineering-inspired adjustable closure for the perfect fit

Shimano STEPS CD-EM800 Chain Retention Device - Frame Mount Without Plate 32T/30T Chainring Model=Alfine FC-S501 Crankset Two wheel chassis and BurleyShimano STEPS CD EM800 Chain Retention Device Frame Mount Without Plate 32T 30T Chainring. Enjoy an added sense of security on the trails with the Shimano STEPS CD EM800 chain device for e MTB. Helps ensure chain stability and avoid chain drop through rough sections of trail Clean and compact design Compatible with 53 mm 55 mm & 56. 5 mm chain line