J.ACK II Ultegra Di2 2x – April 2021
Bespoke Specification
- J.ACK Custom frame
- ÆRA All Road Dynamo Disc Fork
- Handbrushed frame finish
- Engraved headbadge design
- Shimano Ultegra Di2 groupset
- Pro Discover Carbon handlebars with Pro LT stem
- GRX Sub Brake Levers
- ÆRA Carbon Dynamo Seatpost
- Roubaix style bar tape
- Brooks C13 Carved Saddle
- ÆRA AR|30 700c alloy wheels hand-built in the UK with Son Dynamo front hub and ÆRA rear hub, Sapim D-Light spokes and brass nipples
- Panaracer GravelKing 32mm tyres.
- Supernova E3 Triple front dynamo light
- Son rear dynamo light
- Portland Design Works Full Metal Fenders 45mm