8T 10T 11T 12T 13T 14T 15T 16T 17T Ceramic Bearing Bicycle Alloy MTB Rear Derailleur Pulley Roller Idler Jockey Wheel Bike Parts
Fit for: 4/5/6 mm roller screw axis
Apply for: most of rear derailleur on the market
Size: 8T 10T 11T 12T 13T 14T 15T 16T 17T
Bearing: Ceramic Bearing
Material: aluminum alloy 7075
Color: black/red
Weight: about 6.5g-12.8g
Tooth | 8T | 10T | 11T | 12T | 13T | 14T | 15T | 16T | 17T |
Weight(g) | 6 | 6.9 | 7.4 | 8.4 | 9 | 9.3 | 10.3 | 11.8 | 12.8 |
Diameter(mm) | 40 | 43 | 44 | 48 | 50 | 55 | 60 | 64 | 68 |