SRAM Rail 50 27.5" Wheel Designed to be SRAM's most aggressive Enduro/All-Mountain wheelset, the SRAM Rail 50 will more than live up to its expectation. Weighing in at only 1750g (27.5in) it is one of the lightest wheelsets in its class. The wide angle rim profile provides greater stability while also providing a great deal of stiffness and strength. The SRAM Rail 50 comes in 3 sizes: 26", 27.5" and 29" ensuring you find the right wheel size for your bike, no matter the preference. All these great features will more than keep the stokage high throughout the entirety of your action packed ride, let it be at the race circuit, or the local trails. SRAM Rail 50 27.5" Wheel Features One size spoke fits the entire wheel model: front left and right, rear left and right Designed for All Mountain riding Asymmetric aluminum UST compatible rims with variable wall thickness for minimum weight and maximum impact resistance Includes SideSwap tool-free end caps for 20mm, 15mm and quick-release forks SRAM Rail 50 27.5" Wheel Specifications Color: Black Front Axle Type: 20mm Thru , 15mm Thru , Standard QR Front Hub Spacing: 100mm , 110mm Hub Drilling: 24 spokes Hub/Disc Compatibility: 6-Bolt Disc ISO Diameter: 584 / 650b / 27.5" Material: Alloy Rim Width (Internal): 21mm Skewer Included: N/A Spoke Info: Straight Pull Double Butted 3X Tire Type: UST Tubeless Valve: Presta Valve Length: Short 32-40mm Weight: 1750g