J.ACK II Ultegra Di2 – December 2022
Bespoke Specification
- J.ACK Custom 64cm geometry frame
- ENVE Adventure Fork
- Streamline integrated headtube
- Streamline integrated bottom bracket
- Pavé frame finish
- Engraved headbadge design
- Shimano Ultegra 12spd Di2 2x Groupset
- Hope BSA threaded bottom bracket
- Pro Discover Carbon handlebars
- Pro Discover stem
- Hope Carbon Seatpost 31.6mm
- Brooks C13 saddle
- ÆRA AR|45S 700c carbon wheels hand-built in the UK with Hope RS4 Black hubs, Sapim CX-Ray spokes and brass nipples
- Continental GP5000S TR 32mm tyres
- Fizik soft touch bar tape
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