A heavy and wide roller with high-precision machined steel covers attachedCan be used for smooth and high-speed rotation practice over other smaller diameter rollersProfessional rider features such as matched wheelbase adjustability with continuous adjustment by scale on the frame of the rollersUses a high-rigidity and lightweight aluminum frameExclusive front drop roller adjusts the middle roller to provide an even safe spin at high RPM`sInclude 6 points height adjustable feet and footrestFits 26 to 700C bicycle which wheelbase is between 950 - 1,080 mmRollerAdjustableAlloy/SteelTitanium/Silver26 - 700cUPC/EAN/GTIN: 4944924406523