self-service package, suitable for Bosch mid-motors
prevents the chain from slipping off the ring ring, CNC-machined 6061 T6 aluminum with high strength, short nylon cage, compatible with 32-38 teeth chain ring, easy installation as all bolts are reachable from the front, incl. mounting material

self-service package, ISCG05
CNC-machined aluminium 6061 back plate with very strong nylon guides and rolls with sealed bearings, 32-38 teeth, easy mounting, all screws are reachable from the front, including bottom bracket adapter, in case of a frame with no ISCG tabs, incl. washers, 149g

self-service package, seat ube assembly for Ø 34,9mm, incl. adapter for Ø 31,8mm
Prevents the chain from slipping off the chain ring, CNC-machined aluminiumm 6061 T6 with high strength nylon cage, adjustable chainline, easy installation because all bolts are reachable from the front, incl. mounting material

self-service package, suitable for mounting on the front derailleur mount
Prevents the chain from slipping off the chain ring in 1x drives, CNC-machined aluminium 6061 T6 with high strength, short nylon cage, compatible with 32-40 teeth chain ring, adjustable chainline, easy installation, incl. mounting material, weight: 25g

self-service package, suitable for Shimano E8000 mid-motors
Prevents the chain from slipping off the chain ring, CNC-machined aluminiumm 6061 T6 with high strength, short nylon cage, compatible with 30-40 teeth chain rings, easy installation because all bolts are reachable from the front, incl. mouning material, weight: 36g

self-service package, suitable for ISCG-05 frame mount
Prevents the chain from slipping off the chain ring in 1x drives, CNC-machined aluminiumm 6061 T6 with high strength, short nylon cage, compatible with 30-38 teeth chain rings, easy installation because all bolts are reachable from the front, ISCG-05 adapter for threaded bottom bracket mount available separately (CONTEC Guide.O Adapt 0.332.922/8), încl. mounting material, weight: 36g

suitable for 1-speed crank sets, assembly on saddle tube Ø 34,9mm (incl. adapter for 31,8mm), aluminium clamp, height adjustment: 15mm, weight: 77g (without adapter)

with mounting plate for DU-EM800

self-service package, suitable for ISCG-05, incl. adapter for bottom bracket assembly
Prevents the chain from slipping off the chain ring and provides secure guidance under adverse conditions with robust plastic bash guard, nylon cage and guide rollers with sealed bearings, base plate made of CNC-machined aluminium 6061 T6, compatible with 32-38 teeth chain ring, easy installation because all screws are reachable from the front, incl. mounting material, weight: 217g (incl. adapter)

with chain guard