J.ACK II GRX Di2 – August 2020
Bespoke Specification
- J.ACK Custom frame
- ÆRA All Road Dynamo Disc Fork
- Handbrushed frame finish
- Engraved headbadge design
- Shimano GRX Di2 groupset with Ultegra shifters
- Pro Vibe alloy handlebars with Pro Vibe stem
- ÆRA Carbon Dynamo Seatpost
- Fizik soft touch bar tape
- Brooks C13 Carved Saddle
- ÆRA AR|36 700c Carbon wheels hand-built in the UK with Son Dynamo front hub and Hope RS4 rear hub, Sapim CX-Ray spokes and brass nipples
- Hope brake calipers
- Panaracer GravelKing 32mm tyres.
- Supernova E3 Triple front dynamo light
- Son rear dynamo light