Peg - brand name - 32H Disc Brake Track Bike Hub Set Highlights brand name 32H Disc Brake Track Bike Hub Set Description: Made of aluminum alloy and steel, durable and lightweight. Bicycle brake hubs, commonly used disc brake. 32 hole disc brake hub set, with quick release skewers. Low-friction seals effectively block water, mud and dirt. Compatible with 8/9/10/11 speed cassettes. specification: Material: aluminum alloy, steel Spoke holes: 32 holes Front hub: 100mm / 3.94in Rear hub: 135mm / 5.3in Brake system: disc brake Axle: 9x108mm 7075 aluminum front 10x145mm rear steel Raise: 2 pelins before and 4 pelins after Number of holes: 32 mm before and 32 mm after Hole spacing: 58 mm before and 58 mm after Luggage: 62 mm before 58.4 mm after Offset: 7.2 mm before 6.8 mm after Package includes: 1 piece front hub 1 piece rear hub 1 piece front quick release skewers 1 piece rear quick release skewers