US$ 19.99
-UPF/SPF 50
Compatible: ZR1 rear hub
The compact
The on / off valve provides a positive lock out for leak-proof transport and all parts are 100% free of BPA
Axle durability equal to high-grade models
MTB External Bottom Bracket Kids' -UPF/SPF 50BB Shell Thread: British BB Shell Width: 73mm BB Bearing: ABEC 3 Crank Spindle Diameter: 24mm Interface: Hollowtech II
US$ 19.99
US$ 29.00
US$ 62.00