"Cervelo has officially launched its new R5 lightweight climbing bike today. The new bike in its top spec weighs in at a superlight 5.97kg in the top SRAM RED and Shimano Dura-Ace builds, comfortably making it one of the world's lightest production road bikes. The R5 has been competitive as one of the best lightweight road bikes for a long time now in various forms, and can trace its roots back to older Cervelo models such as the R2.5."
"The more difficult bit is ensuring such a lightweight platform can handle the rigours of racing and power from the likes of Wout Van Aert and Pauline Ferrand-Prevot, who won the recent Tour de France Femmes using this new R5."
"As mentioned in the headline of this piece, a size 56cm R5 frame weighs in at a claimed 651 grams, which is very light for a 56cm road frame. The fork, meanwhile, weighs a claimed 298 grams, though we assume for a steerer cut to an appropriate length. The changes largely focus on dropping weight, which is refreshing in late 2025, given the prominence and popularity of all-out aero race bikes now."
Cervelo launched the new R5 lightweight climbing bike, with top SRAM RED and Shimano Dura-Ace builds weighing 5.97kg. The design prioritizes the lightest possible race platform while ensuring it can handle WorldTour-level power. A size 56cm R5 frame is claimed at 651 grams, and the fork at 298 grams. The frame and fork together are 100g lighter than the previous generation, and Cervelo achieved further proprietary weight savings. Riders have used the R5 in high-level races, though UCI competition bikes must meet the 6.8kg minimum. The R5 favors weight reduction over aero focus for climbing performance.
Read at www.cyclingnews.com
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