SRAM RAIL 50 650B WHEELSET   NEW / MSRP $1072 / SHIPS IN 24HRS An alloy rim that does what other alloy rims can't. With WIDE ANGLE rim design providing superior stability, RAIL 50 can withstand the most aggressive All-Mountain/Enduro riding while setting a new benchmark for lightweight in the category. Featuring the perfect balance of strength, stiffness and width for All-Mountain/Enduro terrain, RAIL 50 delivers best-in-class ride quality all the way down. FEATURES: Intended use: AM Available in all 3 wheel sizes: 26, 27.5 and 29in Lightweight aluminum rim with asymmetrical TAPER CORE profile WIDE ANGLE profile: 23c, 28mm outside rim width UST compatible Aluminum nipples with nylon lock ring SOLO SPOKE design with double butted, stiff steel spokes Durable hub internals with Star Ratchet system DOUBLE-DECKER hub shell design SPECIFICATIONS: Manufacturer: SRAM Model: Rail 50 (00.1918.120.003 + 00.1918.120.005) Rim widths: 23mm inner, 28mm outer Size: 27.5" (584 x 23 ETRTO) Rim Material: Aluminum Spokes: 24h front and rear Brake compatibility: 6-bolt disc only Cassette compatibility: XD driver SRAM 11 speed only (Shimano compatible by replacing the hub body - NOT included) Tire compatibility: 650B Clincher, UST tubeless, Tubeless ready (with a sealant), or use tubes Valve drilling: Presta Axle types:  Front 20mm x 110mm through axle 15mm x 100mm through axle Rear QR (10mm) x 135mm 12mm x 142mm Through Axle Mass: 840 grams front, 920 grams rear Includes:  2 tubeless valves 1 Skewer for rear QR use Front axle adapters: 20mm x 110mm & 15mm x 100mm Rear axle adapters - QR x 135mm & 12 x 142mm Condition: New in boxesSRAM