R J.ACK II Di2 2x12s Ultegra – July 2025

• R J.ACK II – 56cm frame
• Pave Frame Finish
• ÆRA Carbon Forks
• PRO Vibe Carbon 28mm Handle bar
• Pro PLT Stem
• Engraved headbadge
• Shimano Ultegra Di2 2x12s groupset
• ÆRA Carbon Seatpost
• ÆRA Seatpost Clamp
• ÆRA BSA Bottom Bracket
• ÆRA R.JACK Mudguards
• ÆRA 700c carbon rims AR|46 laced with ÆRA No.5 Hubs Sapim CX-Ray spokes and brass nipples, hand-built in the UK
• Continental GP5000 AStr tubeless tyres
• Fizik soft touch bar tape
• Brooks C13 Carved Saddle

• Streamline integrated headtube
• Streamline integrated bottom bracket

• ÆRA No.1 Bottom Bracket
• ÆRA AR Carbon Mudguards
• ÆRA Titanium bottle cage
• ÆRA Carbon Dynamo Seatpost
• ÆRA CNC machined seatpost clamp
• ÆRA carbon and alloy wheels
• ÆRA carbon forks

Click here to contact us