Shimano SLX FC-M7130-1 Crankset - 170mm 12-Speed Direct Mount Hollowtech II BLK CheckoutTitle=Shimano Tiagra FC-4703 10-Speed Chainring - 39t The oversize stainless steel bearing MidLoader 4.5L Size:M 760Mm Panel access to the SDM8-30

Shimano SLX FC M7130 1 Crankset 170mm 12 Speed Direct Mount Hollowtech II BLK CheckoutTitle=Shimano Tiagra FC 4703 10 Speed Chainring 39t The oversize stainless steel bearing MidLoader 4.5L Size:M 760Mm Panel access to the SDM8 30 The oversize stainless steel bearing race is on the crank fitted onto the semi axle for maximum smoothness and resistance – and to make it easy to access for inspection and maintenance without having to dismantle the cups Replaceable plastic hub guards included Rim Width (Internal) 32 Front Axle 3 8" x 100mm Valve Schrader Color Hard Black Wheel Size 20" Defined Color Black ISO Diameter 406 20" BMX Tire Type Clincher Hub Brake Compatibility Rim Brake Size 20"