27.5"/29" WIDE LIGHTNING DISC BLACK/GREY (TUBELESS) - RIM: Tubeless Aluminum Disc Rims - DISCIPLINE: MTB | Cross Country | Enduro - SPOKES AC: Race Round 14 /16 Gauge Spokes Black, AC Aluminum Nipples Silver, 32h 3-Cross Front and Rear. - WEIGHT: 27.5' (650B)': PAIR 1512g. - WEIGHT: 29'': PAIR 1569g - HUBS: Front Disc 15mm thru axle/ Rear Disc 12x142mm Thru axle. - HUBS: Front disc 15mmx110mm thru axle / Rear disc 12mmx148mm Thru Axle - COMPATIBLE: Disc. Shimano/SRAM 9/10/11 or sur demande SRAM XX1 - BRAKE INTERFACE: 6 Bolt International Standard - LOOK/COLOR: Black with Gray Hubs