Ultegra’s added heft is oft-cited as the biggest real separator between it and top-tier Dura-Ace. Shimano has made the brakes a lot more powerful than 6800. There's no more powerful rim brake calipers in my experience than R8000 and R9100. Shimano Ultegra R8000 vs Dura-Ace 9100: What are the main differences? Notre avis : fortement inspiré du Dura-Ace 9100, ce nouveau groupe Ultegra R8000 offre un niveau de performance époustouflant ! Les nouveaux moyeux HB/FH-RS700/770 offrent un allègement de près de 60 grammes par rapport à une paire de moyeux Ultegra 6800, alors que les jantes sont fabriquées à l'aide d'un processus de superposition de couches de carbone plus légères, créant ainsi des roues pour freins sur jante 80 grammes plus légères que la version précédente. I've used the R8000 with 2 sets of wheels carbon-rimmed; Shimano C40 tubulars, and Craftworx Ultima alloy clinchers. Power, on both sets, is supreme. New Ultegra 8000 compatibility with 6800 Specifically I'm wondering if the new rear derailleur and cassette will work with 6800 (hydro) shifters. Nouveauté 2017, découvrez vite le groupe vélo route complet Shimano Ultegra R8000 2x11v disponible dès maintenant au prix le plus bas sur materiel-velo.com Le groupe Ultegra de Shimano est une valeur sûre depuis plusieurs générations. R8000, une nouvelle référence. Ultegra R8000 Pedals Weighing in at a super-light 248 grams, these Ultegra R8000 Carbon SPD-SL Pedals have evolved from the 6800 series. Are the Ultegra 6800 pedals worth more than double the money compared to R550? We compare the 2 popular SPD-SL pedals from shimano. WEIGHT. So, what’s the difference? Ultegra R800 Pedals vs Shimano’s R550 Composite Pedals. Having an 11-34 on my CX/gravel bike would be nice for some of the steeper climbs around here. Shimano Ultegra : la valeur sûre de la marque japonaise SHIMANO. Our Ultegra 6800, R8000, and R9100 weight comparison article uses figures directly from Shimano. Manufactured to mirror the stiffness of the R8000 Hollowtech II crankset, these carbon composite pedals also feature an extra-wide platform and reduced stack height to make sure that you transfer every watt through your transmission and into forward momentum. So, let’s pull out the mechanical stats with R8000 on …