SRAM ROAM 50 650B WHEELSET   NEW / MSRP $1072 / SHIPS IN 24HRS SPECIFICATIONS: Manufacturer: SRAM Model: Roam 50 (00.1918.119.005 + 00.1918.118.003) Rim widths: 21mm inner, 30mm outer Size: 27.5" (584 x 21 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 QR (9mm) x 100mm 15mm x 100mm through axle Rear QR (10mm) x 135mm 12mm x 142mm Through Axle Mass: 730 grams front, 820 grams rear Includes:  2 tubeless valves Skewers for QR use Front axle adapters: QR & 15 x 100mm Rear axle adapters - QR & 12 x 142mm Condition: New in boxesSRAM