bike front derailleur clamp 34.9mm 3k ud full carbon fibre cycling accessories folding bicycle derailleurs clamps braze-on adapter

it is made of imported carbon fiber material, around 9 grams, super light but durable for your long way riding only 34.9mm inside diamter size , match most bikes, you could use adapter to make it be 31.8mm; maxium 3 nm mark, easy to install 2 finished surface of 3k & ud, shiny and matte black color, high-end atmospheric grade, increase your option customzied order acceptable for your own logo, if you have a bulk order secure package with thick pearl cotton in carton box, we could arrange the shipment in a short time.syi