The BPW 650B/27.5" Wheel Alex DM-18 BLACK D/W Alloy Rim W/msw, Joytech Q/R 8/10 Speed cassette Alloy Hub, Mach 1 Spokes is a complete 27.5" wheelset built for reliability and everyday riding. It combines a sturdy Alex DM-18 alloy rim, a versatile Joytech cassette-ready hub for 8–10 speed drivetrains, and durable Mach 1 spokes to deliver a balanced mix of strength, responsiveness, and low maintenance.