Wheel Master 27.5’’ Alloy Mountain 6B Disc 8-10 Sp Rear Wheel QR Double Wall BlackThe Wheel Master 27.5’’ Alloy Mountain 6B Disc Rear Wheel is an excellent replacement wheel and has a double wall. These rims are compatible with an 8-10 Speed Cassette and 6-bolt disc brake setup. The inner width is 21mm and these wheels have W/M MT-2000 hub model. Compatible with QR. These wheels have 36H 14g Spokes. Not Tubeless Compatible. For Schrader Valve Tubes. Available in Black.888571017357