J.ACK III Dura Ace Di2 – March 2023

J.ACK 58cm geometry frame
Custom Painted ÆRA All Road disc fork
Streamline integration: internally routed headtube
Streamline integration: internally routed threaded bottom bracket
Handbrushed frame finish
Black pewter headbadge design
Shimano DuraAce Di2 groupset
Shimano RT MT900 160mm Orange rotors
ENVE carbon seatpost
ENVE SES AR Road carbon handlebar
ENVE Road Stem
Chris King threaded BSA bottom bracket
Brooks C13 145mm saddle
ÆRA AR|36 700c carbon rims hand-built in the UK with ÆRA Satin Black hubs, Sapim CX-Ray spokes and Sapim brass nipples.
Continental GP5000s TR 30mm
Fizik Soft Touch bar tape
ÆRA custom painted carbon mudguards