5DEV RGXC Crank Spider - 8-Bolt Asymmetric 110 BCD Aluminum For use Dura-Ace 12-Speed Chainrings BLK MFPN=CRA-T8-42-02 2-Way Release means that shifts

2-Way Release means that shifts can be released with the pull of the index finger for push of the thumb

7 the outright fastest wheel on the road

evaporation and ultimate comfort

Compound Sintered Heat Sink No Backing Plate Material Steel Pad Shape Number 61

5DEV RGXC Crank Spider - 8-Bolt Asymmetric 110 BCD Aluminum For use Dura-Ace 12-Speed Chainrings BLK MFPN=CRA-T8-42-02 2-Way Release means that shiftsAllows the use of Dura Ace 2x chainrings with 5Dev 8 bolt cranks Chainring Bolt Pattern: Shimano 4 Bolt 110BCD for Dura Ace 2X Chainrings (will not work with Ultegra). Please note that this spider is cut to work exclusively with Dura Ace 2X Chainrings CNC machined in San Diego 73g Model 8 Bolt Dura Ace Spider Configuration 2x Direct Mount 8 Bolt BCD 4x110mm Color black