Aluminum Alloy Mountain for Bike Seat Post Shock Absorber with Built-in Spring, Adjustable Suspension Seat Tube for 25.4mm to 33.9mm Diameter Seat Tubes (350mm Length)(25.4 * 350MM)

Aluminum Alloy Mountain for Bike Seat Post Shock Absorber with Built-in Spring, Adjustable Suspension Seat Tube for 25.4mm to 33.9mm Diameter Seat Tubes (350mm Length)(25.4 * 350MM)

• Seat Post with Built-in Spring: Shock absorber seat post for mountain bikes features an aluminum alloy AL6061 construction and adjustable back float design, compatible with 25.4/27.2/28.6/30.0/30.4/30.9/31.6/33.9mm seat tubes; 350mm length (33.9*400mm version) ensures secure fit and smooth operation while riding on rough terrain
• Enhanced Ride Comfort: Designed with a built-in spring mechanism that actively absorbs shocks and vibrations from uneven trails, reducing fatigue during long rides; For ideal solution for off-road cyclists seeking improved control and comfort on challenging surfaces
• Double Nail Lock System: 3D forged seat post fittings provide stable connection and slippage; this locking mechanism guarantees reliable performance under high stress and frequent use, offering riders consistent positioning and safety
• Lightweight & Long Lasting: -engineered from high-strength aluminum alloy to balance durability and weight savings; resistant to and wear, making it suitable for all-season trail use including wet or dusty conditions
• For Easy Installation: Simple setup fits most standard mountain For bike frames without additional tools; compatible with general saddle rails and designed for quick replacement or upgrade — enhances ride quality with immediate