J.ACK II Ultegra Di2 – January 2023

• J.ACK custom geometry frame
• ENVE integrated Carbon Road Disc Fork 43mm rake
• Streamline integration: internally routed headtube
• Streamline integration: internally routed threaded bottom bracket
• Handbrushed finish
• Engraved headbadge
• Shimano Ultegra di2 groupset
• Shimano RT-MT900 disc rotors
• ENVE carbon seatpost
• ENVE integrated system two piece cockpit
• Hope threaded BSA bottom bracket
• Brooks C13 145mm saddle
• ÆRA AR|46 carbon wheels hand-built in the UK with CHope Rs4 hubs, Sapim CX-Ray spokes and Sapim brass nipples
• Continental GP5000TL 28mm tubeless tyres
• Fizik Soft Touch bar tape

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