Premium Mountain Bike Disc Brake Hub - 2 Front & 4 Rear Bearings for Smooth Riding | Durable MTB Hubs for Trail, Downhill & Cross-Country Cycling

Mountain Bike Disc Brake Hub,2 Front and 4 Rear Bearings Layout Mountain Bike Hub for Riding 1.The main body of The bicycle hub is made of high quality aluminum material, which has high strength, wear resistance, good performance and long service life 2.The bicycle wheel hub has built in smooth bearings for more energy saving, adopts 2 front and 4 rear bearing layout, low maintenance cost and more energy efficient riding 3.The bike wheel hub adopts high precision bearings to reduce the deflection of the flywheel seat and the flywheel when rotating, and the shifting is more accurate 4.4 pawls in one piece, by increasing the number of grooves on each pawl to ensure effective fit and provide a satisfying experience 5.up to 54 ratchet teeth, 4 pawls and 12 teeth are engaged at the same time, the pawl can engage the ratchet teeth at a small angle, reducing 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