For rear 6/7/8speed
| Quantity: | 1 | 
| Outer Ring Material | Steel | 
| Axle Length Of Bb | D-NL | 
| Threaded Bb Shell Width | 68,73 | 
| Crank Arm Finish | Painted | 
| Compatible Bb Type | Square Taper | 
| Middle Ring Material | Steel | 
| Gear Arms | 4 | 
| Compatible Chain | HG/UG for 8/7/6-speed | 
| Series | Non-series TY507,Non-series TY508,Non-series TY505,Non-series TY506,Non-series TY503,Non-series TY504,Non-series TY501,Non-series TY502,Non-series TY509 | 
| Inner Ring Material | Steel | 
| Generation | Non-series TY500 | 
| Chain Ring Combination | 48-38-28,42-34-24 | 
| Crank Arm Length | 165,170,175 | 
| Chain Case Compatible | X | 
| Crank Arm Material | Aluminum |