Ceramic Bearing Kit 61803 KTM Bike Gear 9 - Compatible with SRAM

Ceramic Bearing Kit 61803 KTM Bike Gear 9 Compatible with SRAM 9 Compatible with SRAM RED 22 An elegant integrated design DUB PWR spindle based unit measures left side power to calculate total watts Proven Quarq reliability and accuracy Long battery life (400+ hours) to power a season of rides User replaceable lithium AAA battery DUB bottom bracket adds durability and simplicity Waterproof (IPX7 waterproof to 1 meter for 30 minutes) Lightweight (less than 40g heavier than standard crankset) Direct mount chainrings in 38T through 46T Wide chainline crankset for bikes with the widest gravel tires A kit for: Zipp 88 30 and 60 front hubs Zipp 188 (V8) rear hub All Zipp freehub body Inner diameter: 17mm Outside diameter: 26mm Width: 5mm