27.5"/29" SMOKIN GUN DISC BLACK/GREY (TUBELESS) - RIMS:Tubeless/clincher jumbo Aluminum Disc Rims with 43mm - DISCIPLINE: MTB,Trail, Racing - SPOKES AC: 32, 14/15g Black spokes - WEIGHT: 29: Pair 1790gr, 27.5'' pair 1733gr. - HUBS: Front disc 15mmx110mm thru axle / rear disc 12mmx148mm Thru Axle Disc - HUBS: Front disc 15mm thru axle / rear disc 12mmx142mm Thru Axle Disc - COMPATIBLE: Shimano/SRAM 9/10/11 and on demand SRAM XX1. - BRAKE INTERFACE: 6 Bolt International Standard - LOOK/COLOR: Black rim and grey hub