Missing chain link size: each chain link size is 20 x 6.6 x 7 mm; The bike chain link is 20 mm in length, 6.6 mm in width and 7 mm in height; The missing link model: CL566R
Compatibility: because 9 speed chain of bike width is 6.6 mm, so this missing link chain is compatible to all 9 speed chain
Durable and good quality material: the missing link is made of durable stainless steel material, they can use for a long time
Easy to use: this bike chain connectors can repeat to use, easy to assemble and disassemble chain; Suitable for mountain bike and road bike
Package includes: contain 8 pairs stainless steel chain link, totally 16 pieces in 1 pack; Well packed with a bag, convenient to carry and avoid losing