• Premium quality materials made, durable and sturdy.

  • Easy to install, just in a few minutes you can finish installing.

  • Suits for all kinds of bike, such as bicycle, mountain bike, road bike, etc.

  • Materials: AL6061-T6

  • Keepbest Bike Seatpost Sleeve Shim Bike Seatpost Sleeve Shim Bicycle Seat Post Adapter Bike Accessories 31.6mm to 30.9mm - B07W1KKYZ7