Giới thiệu Tay Quay Xe Đạp Leo Núi Bằng Hợp Kim Nhôm Màu Đen 5 / 6 / 7 / 8 Tốc Độ 170mm
< div > < p > compatible: cone bottom bracket (120~124mm) Color: black Bcd: 104 bcd (34 tons, 42 tons), 64 bcd (24 tons) Crank length: 170mm Information: 6061 aluminum alloy Note: these cranks and chain rings apply only to single speed.Not available at other speeds Pedal size: 9/16 "excluding bb Weight: 1061g Number of teeth: 42t 34t24 tons Chain line: 48.5 mm C incompatibility: 5/6/7/8 speed Package includes: 1x mountain bike crank set For 5/6/7/8 speed mountain vehicles, riveting disk, square hole data 6061 aluminum alloy forging t6 processing. Crank: forging, ed (material: iron plate aluminum crank), bracket: plastic cover. Strong and lightweight forging crank group with extreme strength and reliability. Compatible with 9/16 inch pedal; crank length: 170mm.Forging alloy crank arm w/solid carbon.Steel chain ring; measure the size before ordering to confirm your bike. If you have post-sale problems with our products, please contact us and we will do our best to help you.