175 mm, 45 mm chainline, left side, compatible with all Force D2 DUB 45 mm chainline cranksets, AAA micro battery, ANT+ and Bluetooth data transfer

172.5 mm, 47.5 mm chainline, left side, compatible with all Force E1 DUB 47.5 mm chainline cranksets, AAA micro battery, ANT+ and Bluetooth data transfer

175 mm, 45 mm chainline, left side, compatible with all Rival D1 DUB 45 mm chainline cranksets, AAA micro battery, ANT+ and Bluetooth data transfer

175 mm, 44.7 mm chainline, left side, compatible with all Rival E1 DUB 44.7 mm chainline cranksets, AAA micro battery, ANT+ and Bluetooth data transfer

172.5 mm, 44.7 mm chainline, left side, compatible with all Rival E1 DUB 44.7 mm chainline cranksets, AAA micro battery, ANT+ and Bluetooth data transfer

170 mm, 47.5 mm chainline, left side, compatible with all Rival E1 DUB Wide 47.5 mm chainline cranksets, AAA micro battery, ANT+ and Bluetooth data transfer