R J.ACK III Dura Ace Di2 – June 2023
Bespoke Specification
- R J.ACK Custom Geometry frame
- ENVE Road Disc fork
- Handbrushed frame finish
- Engraved headbadge
- Shimano Dura Ace Di2 groupset
- ÆRA carbon seatpost
- ENVE Compact Di2 Road Handlebar
- ENVE Road stem
- Chris King T47 Bottom Bracket
- Brooks C13 carved saddle
- ÆRA AR|45 carbon wheels hand-built in our workshop with Chris King R45D Matte black hubs, Sapim CX-Ray spokes with Sapim brass nipples
- Continental GP5000s TR 30mm tubeless tyres
- Fizik soft touch bar tape
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