YOU WILL WHEELIE LOVE THE QUALITY WHEELS REAR WHEEL TRACK.Made to be durable and long lasting, The Quality Wheels Rear Wheel Track is for the avid biker and the amateur. In this shiny silver color, you will shine even on the highest peaks. FEATURESClincher TiresStraight Gauge Spoke ProfileRim Brake CompatibleTECH SPECSWheel Size: 27Rear Axle: 10x1 Threaded x 120mmRim Width (Internal): 17.5