Premium Aluminum Bike Hub Replacement - CNC Machined for Mountain Bikes | Durable, Energy Efficient & Low Friction Cycling Component | Perfect for Trail Riding & Off-Road Adventures

Feature:1. Aluminum Material: The main body is made of high quality aluminum material with high strength and wear resistance, having good performance for long service life.2. Fine Workmanship: Manufactured with CNC machining for accurate size, has a close fitting, simple for install and removal, saving your time and energy.3. Special Structure: Built in bearing which is more energy saving, using the 2 front and 4 rear bearings layout, low maintenance cost, riding more energy saving.4. Working Principle: The integrated 4 pawl ensures effective fitting by increasing the number of slots on each pawl, providing a satisfying using experience.5. High Efficiency: Up to 54 teeth of the ratchet teeth, 4 pawl 12 teeth bite at the same time, pawl can bite the ratchet teeth when the Angle is very small, reduce the loss of force.Specification:Item Type: Bike HubMaterial: Aluminum AlloyColor: As Picture ShownGross Weight: Approx.658g/23.2ozFront Bike Hub: Approx.100x9mm/3.9x0.35inRear Bike Hub: Approx.135x10mm/5.3x0.4inNumber Of Holes: Front 28 Holes, Rear 28 Holes, Straight PullBearing: Front: 2 Bearings, Rear: 4 BearingsApplication Speed: for Mountain Bike, Road Bike Package List:1 x Front Hub1 x Rear Hub2 x Quick Release Skewers1 x Washer