julio 25, 2026Publicado Por En julio 25, 2026Aluminum Alloy 7075 Hollow Integrated Crankset for Fixed Gear Bikes 144BCD 49TList1:1x crankset. list2:1x crankset+1x Bike bottbracket. Hollow integrated crank design By adopting an integrated hollow crank structure, the pedal for rigidity is significantly enhanced, and deformation during exertion is reduced.
