6-spd chains

BICYCLE CHAIN RING

Bicycle Chainwheels

BICYCLE CHAIN RING

OARSM - Taiwan Made Cassette Sprocket Mountain Bicycle11-40T for Shimano 10 speed

10-spd chains

Full Ceramic Derailleur Cage for Shimano 9100 / R8000。Carbon Cage & Full Ceramic Bearings

Brand Name：AEROZINE Products: Crank sets/ BBs / Headsets / Bars / Stems / Seatposts / Chainrings and accessories.

OARSM carbon fiber cage 11/15T jockey pulley for Shimano S1 RD9000 bicycle derailleur guide wheel

Modified Oversize Pulley Derailleur Cage

Crankset, Chainset

Bike crankset, crankset AEROZINE X17-RD-A2-4bolts-135 Crankset (for kidbike) AEROZINE X-Carbon-ARM CRANKARM AEROZINE X-CARBON-A

Titanium Derailleur Cage for Shimano 9000 / 9070 / 6800 / 6870 / 6700 / 7900

Modified Derailleur Cage for Campagnolo

big and small wheel folding bike(Transmission)

Flip Guide-ISCG05

MTB Mountain Bike Circular Chainrings 42/27T M4S2 - Bike Parts

Folding bike Brompton 8 speeds upgrade pack

ROOLY MERCHANDISES, INC.

Far Near Jockey Wheel Pulleys