Bicycle Seat Post Dust Cover Silicone Bicycle Parts Cycling Seat Post Ring Seatposts Clamps Cover

Label:Yes High elasticity, good compatibility Material:Silicone Color:Red/Green/Blue/Black Suit for:25.4/27.2mm Seat Post Size L :30-35mm Size S :25-30mm Suit for:30.4/30.8/30.9/31.6/33.9mm Seat Post Package includes:1 X Seat Post Ring

If you don't know the size of seat post, you can measure it or buy both. Note: There is tolerance in manual measurement, please refer to the actual product.