Answer Holeshot Mini Wheelset for 20" and 24" Features: Wheels are built with Answer Mini 20 x 1-1/8" rims CNC machined aluminum hub shells with laser etched logos Precision sealed bearings Hollow aluminum center axles Rear rim is machined silver to improve braking performance 20" x 1-1/8" or 24"x 1-1/8" Specifications: Driver: 3 pawl aluminum driver with 16T Shimano style cog Spokes: (28H) laced 3X and 15G spokes and nipples Spoke Length 20" Front: 214mm Spoke Length 20" Rear: 212mm Spoke Length 24" Front: 247mm Spoke Length 24" Rear: 254mm Axle: 3/8" Weight 20": 2lbs 9 oz