Quality Wheels Formula / WTB ST i30 Rear Wheel - 27.5" 12 x 148mm Center-Lock HG 11 MTN BLK MFPN=Y-RD101 12mm six sided chain links

12mm six sided chain links made of 3T manganese steel including a larger cinch ring

bearing# 61903 ID x OD x W (mm) 17x30x7

lower friction

Optimal balance between stiffness and light weight provides outstanding power transfer

Tapered Caledonia-5 Fork Axles Cervelo Indexed Thru-Axles w/ Lever

Quality Wheels Formula / WTB ST i30 Rear Wheel - 27.5" 12 x 148mm Center-Lock HG 11 MTN BLK MFPN=Y-RD101 12mm six sided chain linksQuality Wheels WTB ST Light i29 Rear Wheel 27. 5" 12 x 148mm Boost Center Lock HG 11 Black. Rear wheels built with the WTB STi29 rim. TECH SPECS Rear Axle 12mm Thru x 148mm Rim Width (Internal) 29 Cassette Body Type Shimano Dynasys 11 Speed Mountain Cassette Body Type Shimano SRAM 8 9 10 Speed Wheel Size 27. 5+ Defined Color Black ISO Diameter 584 650b 27. 5" Tire Type Tubeless Ready Clincher Hub Brake Compatibility Center Lock Disc