Type RSCI is a centrifugal lift off sprag type freewheel with the inner race rotating. Only the inner race is designed for freewheeling.

Type RSCI is a centrifugal lift off sprag type freewheel with the inner race rotating. Only the inner race is designed for freewheeling. It is a non self-supported type.

The series RSXM completes the small to medium backstop range, which commenced with the highly successful RSCI programme.

The type RDBK is a centrifugally lift-off sprag RSCI high speed backstop equipped with integral torque limiter.

The types RSRV and RSRT are centrifugally lift-off sprag type high speed backstops with integral torque limiter.

Types RIZ, RINZ are centrifugal lift off sprag type freewheels with the inner race rotating.

Type RIZ..ELG2 is a centrifugal lift off sprag type freewheel when the inner race is overrunning.

Type RIZ..ESG2 is a centrifugal lift off sprag type freewheel when the inner race is overrunning. Only this race is designed for freewheeling.

Types RIZ..G1G2/G7G2, RINZ..G5G5 are centrifugal lift off sprag type freewheels with the inner race rotating. Only the inner race is designed for freewheeling.

Types RIZ..G2G3/G3G4 are centrifugal lift off sprag type freewheels with the inner race rotating. Only the inner race is designed for freewheeling.