Through Authenticate 
| Chainwheel: | |
| Teeth:48~50T Option | |
| Material:CNC:C,Alloy:A,Steel:S Option | |
| Chainguard:Alloy with CNC edge | |
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| 5Arm/Alloy Forged/BCD110 | |
| Length:170,172.5,175mm | |
| Spindle:CR-MO spindle 24mm | |
| Chainline:43.5mm | |
| Weight:967g | |
| QF:157mm | |
| EB24:BB-EB2401 | |
| BB86:BB-BB8601 |
