Aluminum Alloy Mountain Bike Hub Set - Front & Rear Wheel Bearings for MTB Road Cycling | Perfect for Trail Riding, Commuting & Off-Road Adventures

Feature: 1. Aluminum Material: The main body is made of premium aluminum material with high strength and wear resistance, having good performance for long service life. 2. Special Structure: Built in smooth bearing which is more energy saving, using the 2 front and 4 rear bearings layout, low maintenance cost, riding more energy saving. 3. Accurate Speed Changing: High accuracy bearings, reduce the deflection of the freewheel base and flywheel when rotating, and the speed change is more accurate. 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 Hub Material: Aluminum Alloy Gross Weight: Approx.543g/19.2oz Front Bike Hub: Approx.110x15mm / 4.3x0.6in Rear Bike Hub: Approx.148x12mm / 5.8x0.5in Number Of Holes: Front 28 Holes, Rear 28 Holes Bearing: Front: 2 Bearings, Rear: 4 Bearings Package List: 1 x Front Hub1 x Rear Hub 1 x Washer

ALUMINUM MATERIAL: The main body is made of premium aluminum material with high strength and wear resistance, having good performance for long service life.

ENERGY SAVING: Built in smooth bearing which is more energy saving, using the 2 front and 4 rear bearings layout, low maintenance cost, riding more energy saving.

WORKING PRINCIPLE: The integrated 4 pawl ensures effective fitting by increasing the number of slots on each pawl, providing a satisfying using experience.

ACCURATE SPEED CHANGING: High accuracy bearings, which could reduce the deflection of the freewheel base and flywheel when rotating, and the speed change is more accurate.

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.