LOOK 785 Huez RS Ultegra Di2 / Fulcrum Speed 25

LOOK 785 Huez RS Ultegra Di2 / Fulcrum Speed 25 Elite climbing performance with Shimano Ultegra Di2 precision. The LOOK 785 Huez RS Ultegra Di2 / Fulcrum Speed 25 is a lightweight carbon road bike designed for riders who want exceptional efficiency, sharp acceleration, and confident performance when the road rises. Finished in Raw Carbon / Chrome, this 785 Huez RS build pairs LOOK's high-modulus lightweight climbing platform with Shimano Ultegra Di2 electronic shifting, Fulcrum Speed 25 2WF wheels with ceramic bearings, a LOOK Aero Carbon Combo cockpit, and Hutchinson Black Bird Race TAN Tubeless 700x30C tires. LOOK lists the complete bike at 7.2 kg in size S. Every climber's dream The 785 Huez RS is LOOK Cycle's lightest bike platform, designed for climbers seeking a unique machine with exceptional efficiency. It delivers high-end performance from the moment the road rises and is built for mountain passes, sharp accelerations, and epic alpine adventures. Built to dominate every ascent Whether you attack when the gradient changes or want a bike for legendary climbs, the 785 Huez RS focuses on the balance between lightness and stiffness. The result is a premium road bike built for fast climbing, efficient power transfer, and precise control on demanding routes. Why choose the Ultegra Di2 / Fulcrum Speed 25 build? 785 Huez RS high-modulus carbon platform designed for lightweight climbing performance Shimano Ultegra Di2 electronic shifting for precise, consistent gear changes Shimano Ultegra R8100 52/36T crankset with 11-34T cassette for fast riding and climbing range Fulcrum Speed 25 2WF wheels with ceramic bearings for a premium lightweight wheel package LOOK Aero Carbon Combo handlebar and stem for clean integration and performance positioning Hutchinson Black Bird Race TAN Tubeless 700x30C tires for modern road speed, grip, and comfort Complete bike weight listed by LOOK at 7.2 kg in size S Who is this bike for? This bike is ideal for climbers, performance road riders, fast group riders, and customers who want the 785 Huez RS lightweight platform with a refined Shimano Ultegra Di2 component package. It is a strong choice for riders who want a premium climbing bike without stepping into the most expensive flagship drivetrain tier. Technical Specifications Made by LOOK Handlebar LOOK Aero Combo Handlebar Stem LOOK Aero Combo Stem Saddle Selle Italia New SLR Superflow Wheels Wheels Fulcrum Speed 25 2WF Ceramic Bearings Tires Hutchinson Black Bird Race TAN Tubeless 700x30C Thru Axles X12: M12 x 1.5, 142x12 rear / 100x12 front Transmission & Brakes Crankset Shimano Ultegra R8100 52x36 Brakes Shimano Ultegra BR 8170 Cassette Shimano Ultegra R8100 11x34 Shifters Shimano Ultegra Di2 R8170 Weight & Sizes Weight 7.2 kg, size S Sizes XS, S, M, L, XL Color Raw Carbon / Chrome Geometry Measurement XS S M L XL Stack 519.2 543.3 567.3 591.3 615.3 Reach 365.3 375.3 385.6 395.5 405.6 Head Tube Angle 71.5 71.5 73 73 73 Seat Tube Angle 74.5 74.5 74.5 74.5 74.5 Seat Tube 480 504 530 554 579 Top Tube 509.3 526 543 559.6 576.3 Front Center 569.8 587.6 586.7 603.9 621.7 Trail 59.8 59.8 59.3 59.3 59.3 Fork Offset 50 50 43 43 43 Chainstays 410 410 410 410 410 Head Tube 94.4 119.6 140.7 165.8 193.5 Fork 368 368 368 368 368 HAV 73 73 70.5 70.5 68 Standover 709.9 733.7 761.7 785.5 812.5 Size Guide Please note: this is an approximate size guide. For the most precise fit, contact your dealer or schedule a professional bike fit. Bike Size Recommended Rider Height, cm Recommended Rider Height, inches Approx. ft/in XS Under 166 cm Under 65.4 in Under 5'5" S 164-173 cm 64.6-68.1 in 5'5"-5'8" M 171-180 cm 67.3-70.9 in 5'7"-5'11" L 178-187 cm 70.1-73.6 in 5'10"-6'2" XL Over 185 cm Over 72.8 in Over 6'1" If you are between two sizes, choose the smaller size for a more responsive and agile climbing fit, or the larger size for a slightly more stretched and stable position. Your inseam, flexibility, riding style, and cockpit setup can all affect the best size choice. Buyer Questions & Answers Is the LOOK 785 Huez RS Ultegra Di2 good for climbing? Yes. The 785 Huez RS is LOOK's lightest bike platform and is designed for climbers who want outstanding efficiency and performance when the road rises. What type of rider should buy this model? This model is for riders who want an elite lightweight climbing bike with Shimano Ultegra Di2 electronic shifting, premium Fulcrum wheels, and the integrated LOOK Aero Carbon Combo cockpit. It is ideal for mountain riding, fast group rides, sportives, and serious performance road cycling. How does Shimano Ultegra Di2 compare with SRAM RED AXS? Shimano Ultegra Di2 is a high-performance electronic drivetrain known for precise shifting and race-level reliability. SRAM RED AXS is SRAM's flagship wireless option and is typically positioned higher in price. Choose this Ultegra Di2 build if you want premium electronic shifting and value within the RS platform. Are Fulcrum Speed 25 wheels good for climbing? Yes. The Fulcrum Speed 25 2WF wheels are a strong match for this bike because they support the lightweight climbing focus while still giving the bike a premium modern road wheel package. What is the benefit of the Aero Carbon Combo cockpit? The LOOK Aero Carbon Combo cockpit integrates the handlebar and stem for a clean, performance-oriented front end. LOOK highlights its aerodynamic shape, seamless integration, modularity, and fit-focused positioning. Is this a race bike or an endurance bike? The 785 Huez RS is best understood as a lightweight performance climbing road bike. It has race-level intent, but its geometry and 30 mm tubeless tire setup can also support long mountain rides and demanding all-day routes. Is the 7.2 kg weight accurate? LOOK lists this build at 7.2 kg in size S. Actual weight can vary with pedals, bottle cages, accessories, tire setup, sealant, and frame size. What gearing does it have for climbs? This build uses a Shimano Ultegra R8100 52/36T crankset and Shimano Ultegra R8100 11-34T cassette, giving a strong range for fast road riding and high-mountain climbs. Are 700x30C tires good for road climbing? Yes. Modern 700x30C road tires can improve comfort, grip, and control while still rolling efficiently. The Hutchinson Black Bird Race TAN Tubeless 700x30C tires are well matched to high-performance road riding. How does this compare with the 785 Huez RS Red AXS / Scope Artech 2? The Red AXS / Scope Artech 2 model is the more expensive flagship build with SRAM RED AXS and Scope Artech wheels. This Ultegra Di2 / Fulcrum Speed 25 version keeps the same RS climbing platform with a premium Shimano electronic drivetrain and a more accessible price. How does this compare with the standard 785 Huez? The 785 Huez RS is the higher-performance, lighter, and more race-focused version of the platform. The standard 785 Huez is still a capable climbing bike, while the RS targets riders looking for elite lightweight performance. What size should I choose? LOOK's approximate size guide recommends XS for riders under 166 cm, S for 164-173 cm, M for 171-180 cm, L for 178-187 cm, and XL for riders over 185 cm. In inches, that is XS under 65.4 in, S from 64.6-68.1 in, M from 67.3-70.9 in, L from 70.1-73.6 in, and XL over 72.8 in. For the best fit, confirm with your dealer or a professional bike fitter. Does this bike come with pedals? Most high-end road bikes are sold without pedals so riders can choose their preferred road pedal system. Confirm pedal inclusion at checkout or with the shop before purchase.