Feature●Fit for 42‑32‑24 teeth three‑piece type crankset, high compatibility bidirectional cable arm, support both up and down trace, Suitable for 6/7/8/9/10/11 or 18/21/24/27/30/33 speed mountain bikes●Mount Type: Clamp On, 34.9 to 31.8 conversion clip ring, supports 31.8/34.9mm diameter tube, universal for most mountain bike●Precision machining ensures smooth operation. The chain moves from one sprocket to another, almost without wear●The derailleur is made of high-quality metal material, which is rust-proof, wear-resistant and durable. Forged aluminum construction lowers weight without sacrificing durability●Suitable for BMX bikes, cruisers, electric bikes, folding bikes, hybrid, mountain bikes, etc.Description