These wheels are suitable for Mountain Bikes / ATBs / Ladies Bikes and are only compatible with rim brakes All our wheels are hand trued and fitted with a FREE RIM TAPE prior to dispatch Rear Wheel Specification: Rim: 26" Alloy mountain bike Silver rim - 26mm wide, 575mm O/A diameter Spokes: 36 Spindle: Solid axle with wheel nuts Hub: Alloy Threaded Hub Locknut to Locknut: 135mm (approx) Overall Spindle Length: 175mm (approx) Front Wheel Specification: Rim: 26" Alloy mountain bike Silver rim - 26mm wide, 575mm O/A diameter Spokes: 36 Spindle: Solid axle with wheel nuts Hub: Alloy Locknut to Locknut: 100mm (approx) Overall Spindle Length: 140mm (approx) FREEWHEEL: 6 Speed: Shimano MF-TZ20 14-28 tooth (14,16,18,21,24,28) TYRES: 26 x 2.10 All Black + Schrader Valve Inner Tubes.