Road and Mountain Bike 2/4 Bicycle Wheel Bearings Mounting Tool 1 Front Black Description: Material: CNC precision technology disc brake made of aluminum alloy, durable, rust-resistant and high strength. Sealed bearings provide high water resistance, low drag force for smooth rotation. Spoke holes: 32 holes, 6 ratchets with clear sound, front 100 mm rear 135 mm. Size Front: 9 mm x 100 mm, rear: 10 x 135 mm. Replace parts: Replacement of spare parts. Application: The cassette body is suitable for most high-speed cassettes (7-12) (commonly used in cassettes). Specification: Material: Aluminum Alloy Sealed bearings: 2 front bearings 4 rear bearings Front 100 mm/Back 135 mm Ratchets: 6 Hole: 32 holes Speed: 7-12 Size Chart: Front: 9 mm x 10 cm / 0,35 inch x 3,94 inch Back: 1 cm x 13,5 cm / 0,39 inch x 5,31 inch The package includes: (Depends on your choice) Style A: 1 pair (front and rear hub, front and rear levers) : 1 pair with cap (front and rear hub, front and rear levers, 4 caps) StyleC: 1 front (1 front hub, 1 front lever) StyleD: 1 rear (1 rear hub, 1 rear lever)