Folding Bike quick-release Head Tube handlebar riser Toothless Standpipe 330mm Bike folding risers for big firms or other folding bike Color: matte black, matte silver Specifications: 330L(mm) Description: For bicycle fork steerer size 28.6, can be used with MTB riser top riser use. Excellent workmanship, reasonable structure, folding and fixed easily and safely, is your best choice folding modified