FUANA 10T–18T Bicycle Rear Derailleur Pulley Wheels with Bearings, Engineering Plastic, for Shimano, Road/Hybrid/Mountain Bikes 12T
MasYosh 16T Bicycle Rear Derailleur Guide Wheel, 7075 Aluminum Alloy with Ceramic Bearing, for 5800 5700 4600 4700 105 6600 Groups, High Strength Stable Speed Change (5800 series red)
2 Pcs Bicycle Rear Derailleur Guide Wheels 10T 13T 15T Plastic for Smoother Gear Transitions and Reduced Derailleur Weight Burden (10T)
Comgooldool Bicycle Rear Derailleur Pulley Wheel with Steel Bearings, CNC Machined Guide Roller for Road Mountain Folding Bikes, 10T-18T Options, Yellow(Yellow 10T)
Lapiglo for Brompton for Bicycle Rear Derailleur for Stabilizer featuring 10T Nylon Guide Wheel Quiet Operation on 3-Speed Systems Black
WGFOIP Bike Chain Tensioner, 10T Folding Bike Chain Guide Tensioner Bicycle Rear Derailleur Chain Tensioner for 3sixty (Gold)
