This is the front hub we want on our bikes. Lightweight, durable, with high-quality bearings and seals to give you the best combination of performance, durability and price. This is the new benchmark for a no-nonsense front hub. 110X15 Hub Spacing: Boost (15mm x 110mm) Hole Count: 28 and 32 Weight front: 142g Colours: Black, red, dark green, blue, orange, purple, grey Material: 7075 T6 Aluminum Spokes: J-Bend Hub Dimensions: PCD-L: 52, Flange Dist-L: 28, PCD-R: 48, Flange Dist-R: 40 End Caps: Tool free installation (Standard and Torque Caps included with Front Hub) Bearings: high-quality MR17287 (front) Grease: Dumonde™ Pro-X Grease 20X110 Hub Spacing: Boost (15mm x 110mm) Hole Count: 32 Weight: 183g Colours: Black, Silver Material: 7075 T6 Aluminum Brake Mount: 6 BoltSpokes: J-Bend Rear Hub Dimensions: PCD-L: 52.5, Flange Dist-L: 28. PCD-R: 48, Flange Dist-R: 40 End Caps: Tool free installation Bearings: high-quality MR17287 Seal: high-quality Silicone Freewheel Seal