HB-1M Mini hubs meet the needs of the fastest little racers whose parents are on a budget. They feature cold-forged 6061-T6 hub shells; a chromoly skewer-style through-axle chromoly rear axle male/female bolts; aluminum alloy axle washers a 4-pawl Shimano-compatible cassette body and sealed bearings. Each set includes a lock ring and a 10mm cassette spacer. Hub Set: 524 grams/18.49 ounces w/axles
