Burley Thru Axle, 12MM X 1.75, 197MM Bike Accessories Brand_Exustar The new R5 frame is

The new R5 frame is 130g lighter than the previous model—a 16% reduction from an already-light frame

Internal Cable Routing: Cervélo frames typically incorporate internal cable routing for a clean and aerodynamic appearance

LIGHTWEIGHT

Fazua bottom bracket

Burley Thru Axle, 12MM X 1.75, 197MM Bike Accessories Brand_Exustar The new R5 frame isBurleys official adapter for bikes with a 12mm thru axle. Stock thru axles are not able to accommodate any sort of axle mounted hitch system. The Burley Thru Axle is a requirement for any axle mounted hitch system with a bike that has a 12mm thru axle. Our new Thru Axles have an external male threading on the end to accommodate the installation of our axle mounted hitch system.