Specification: Material: aluminum alloy, stainless steel spring Colour: Black Packing: 2PCS Features Stable adjustment, large internal thread, stable adjustment, easy installation, comfortable operation and great practicability. Fine workmanship, light weight, easy to carry, and will not increase the burden of bicycle brakes. Bicycle shifting screws. Compatible with 4/4.5mm shifting cable cap. No need for down tube regulator stop device, you can easily adjust the transmission in real time. Suitable for mountain bikes, road bikes, folding bikes, etc.Suitable for mountain bikes, road bikes, folding bikes, etc. Effectively adjust the front and rear shifting gears to help solve problems such as tooth skipping and inability to shift gears. Fine workmanship, light weight, easy to carry, and will not increase the burden of bicycle brakes. Stable adjustment, large internal thread, stable adjustment, easy installation, comfortable operation and great practicability. Material: aluminum alloy, stainless steel spring. Packing: 2PCS.Case Material: Aluminum. Auto Part Position: Rear. Material: Aluminum. Brand: LQ Industrial. Date First Available: December 31, 2020. Best Sellers Rank: #152,778 in Sports & Outdoors. Customer Reviews: 4.1 out of 5 stars 37 ratings 4.1 out of 5 stars. : B08RS7B5J2. Part Number: ?BCADSAS-2. Manufacturer: ?LQ Industrial. Material: ?Aluminum. Brand Name: ?LQ Industrial. Package Weight: ?0.01 Kilograms. Item Package Dimensions L x W x H: ?2.36 x 1.77 x 0.55 inches.