Applicable models: Trek 3500 2011 Material Made of strong and durable aluminum alloy. Not easy to be damaged and can withstand daily use. It allows your bike to stay standing on any surface even if there is no wall or pillar, providing good stability for your bike. Stability and safety Made of thick, wearresistant aluminum alloy with an antislip pad. Helps prevent slipping on wet surfaces and sinking in mud. Red reflector in the middle of the kickstand improves visibility at night and helps keep other vehicles from colliding with your bike. Easy to install The bottom of the bicycle stand can be assembled and the height adjusted using an Allen key. Simply attach the bike stand to the middle of the bike, tighten the screws, and adjust the height. Key benefits Keeps your Trek 3500 2011 upright on any surface without wall or pillar support. Durable aluminum alloy construction for daily use and longlasting performance. Antislip pad and wearresistant design for stability on wet or soft ground. Red reflector enhances nighttime visibility and helps reduce the risk of collisions. Simple installation with height adjustment via Allen key. Use scenarios Parking on driveways, gravel, grass, or other uneven surfaces during rides or at stops. Home or workshop maintenance where a stable, upright bike is needed for cleaning or repairs. Quick stops on roadsides or trailheads to keep the bike upright and visible to others.