SRAM

 Installs without tools Compatible with Sram chains only 8 and 9sp connectors can be opened and re-opened indefinitely 10 and 11sp connectors are one-time use only 12sp connector works with sram Eagle 12s only 8sp Card of 4 Silver

 Installs without tools Compatible with Sram chains only 8 and 9sp connectors can be opened and re-opened indefinitely 10 and 11sp connectors are one-time use only 12sp connector works with sram Eagle 12s only 9sp Card of 4 Gold

 Installs without tools Compatible with Sram chains only 8 and 9sp connectors can be opened and re-opened indefinitely 10 and 11sp connectors are one-time use only 12sp connector works with sram Eagle 12s only 10sp  Card of 4 Black

 Installs without tools Compatible with Sram chains only 8 and 9sp connectors can be opened and re-opened indefinitely 10 and 11sp connectors are one-time use only 12sp connector works with sram Eagle 12s only 11sp Card of 4 Silver

 Installs without tools Compatible with Sram chains only 8 and 9sp connectors can be opened and re-opened indefinitely 10 and 11sp connectors are one-time use only 12sp connector works with sram Eagle 12s only 12sp Card of 4 Rainbow Gold

 Installs without tools Compatible with Sram chains only 8 and 9sp connectors can be opened and re-opened indefinitely 10 and 11sp connectors are one-time use only 12sp connector works with sram Eagle 12s only 12sp Card of 4 Silver