Description： Product：Bicycle Chain Brand: BUCKLOS Speed: 8/9/10/11/12 Speed Model: BC8 Series: L/EL/SL Missing Link: 116/126 Links Color: Silver/Gold Material：Stainless Steel Size: 1/2 "*3/32", 1/2" *11/128" Wight:About 292.1g(BC11) Compatibility: SHIMANO,Campagnolo,SRAM and all other 8/9/10/11/12 speed divetrins. Suitable for: Mountain/Road Bicycle/City Bike.... Note: BUCKLOS derailleur chains are 100% compatible with all major systems. We don't distiguish between disciplines; Our chains are suitable for both road and off-road. The way that BUCKLOS chains are categorized makes sense: for example, a product of the BC11 series will use any 11-speed derailleur system and every possible. Easy installation: Almost every BUCKLOS chain comes with a connecting link. Assembly of the chain is fast.