100% Band new and high quality. Fine workmanship and perfect style. The size of the conversion clamp ring is approximately: 34.9/31.8mm. High Wear-resistant and excellent durability quality control standards to build and test. Type: 9/10-Speed Weight: about 9/10S: 157g Application: Suitable for 42-32-22 teeth crankset Inner diameter of clamp ring: 31.8mm/1.25in, 34.9mm/1.37in Pull line : Both pull up/down Material:Aluminum alloy + carbon steel colour:Silver + Black Package Contents: 1 x Bicycle Front Derailleur Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.