Name: Bike Seat tube reducing sleeve
Model: RS-01
Material: Aluminum alloy
Weight: Φ30.9*60mm(25g), Φ30.9*80mm(34g), Φ31.6*60mm(32g), Φ31.6*80mm(42g)
Color: Black
Size Φ30.9*60/80mm Φ31.6*60/80mm
Features: Made of aluminum alloy, lightweight and strong compatibility