WEEROCK Bike Seat Clamp 34.9mm with Installation Holes for Bicycle Rear Rack Bike Cargo Rack Aluminium Alloy Seat Post Clamps. Silver

WEEROCK Bike Seat Clamp 34.9mm with Installation Holes for Bicycle Rear Rack Bike Cargo Rack Aluminium Alloy Seat Post Clamps. Silver

• Size: the diameter of the seat clamp is 34.9mm/ 1.37 inch
• 2 Ways to Choose 34.9mm Seat Clamp: 1. Please measure the outer diameter of the seat tube to be 30.2-32.1mm. 2 Please check the seast post diameter to be 30.4mm/ 30.8mm/ 30.9mm/ 31.6mm
• With Rear Rack installation holes: If you want to install a rear cargo rack on your bike, but the bike does not have rear rack installation holes, you could choose our product. It is not only a seat clamp, but also comes with a rear rack installation holes, so you can install a rear luggage rack on your bike
• Material: It's aluminium alloy material, the weight only 50g, sturdy and non rusting, lightweight, without adding to the weight of the bicycle
• Screw locking: Use tools to lock the screws tightly to better lock the saddle tube, so that the saddle tube will not slide and the seat will not move during cycling
• Packing including: 1 pcs seat clamp, 2 pcs screws(If there are screws on the rear rack, these two screws will not be used)