Great for off-road or mountain bikes. It comes complete with an extra wide rubber foot for superior stability, and won't interfere with pedal action or rear derailleur cables.  Fits tube sizes up to 7/8" in diameter. Stabilizer also features: Certified Non-Corrosive Casting, Dual Spring Pressure Plate, Snap Action Mechanism, Hardened Steel Pivot Pin,and Calibrated Stem. Weight: 340 grams.