Scott Addict RC 10
Attack climbs with sub-7.1kg urgency, carve descents with race-sharp precision, and stay comfortable over rough roads.
- HMX carbon frame: sub-640g weight, race-proven stiffness
- Shimano Ultegra Di2: crisp 2×12 electronic shifting
- Syncros integrated carbon cockpit hides all cables
- Clearance for 34mm tyres: comfort meets speed
- Syncros Capital 1.0S 40mm carbon wheels
- Complete bike weighs around 7.1 kg
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Bikesy's Verdict
The Scott Addict RC 10 is a bike that knows exactly what it's for. It climbs with urgency, accelerates with purpose, and handles with the kind of precision that makes you want to push harder on every corner. The HMX carbon frame is a masterclass in weight reduction without compromise, and the integrated Syncros cockpit delivers both aero gains and visual clarity. Shimano's Ultegra Di2 groupset is faultless, the hydraulic discs inspire confidence, and the clearance for 34mm tyres means you're not limited to glass-smooth tarmac.
This isn't a bike for casual riders or those seeking maximum comfort on leisurely weekend spins. It's a race machine that rewards commitment, skill, and a willingness to push your limits. If you're chasing personal bests on climbs, attacking fast club rides, or simply want a bike that feels alive beneath you, the Addict RC 10 delivers. It's light, responsive, and capable across varied terrain, with enough compliance to keep you comfortable on longer efforts. For riders who prioritise climbing performance and all-round speed over pure aerodynamics, it's one of the best race bikes you can buy.
Pros
- Exceptionally light at 7.1 kg, climbs with real urgency
- HMX carbon frame delivers race-level stiffness without harshness
- Shimano Ultegra Di2 offers crisp, reliable electronic shifting
- Integrated Syncros cockpit cleans up the front end, improves aero
- Clearance for 34mm tyres adds comfort and versatility
Cons
- Integrated cockpit limits fit adjustments if you need different bar width or stem length
- Heavier than the ultimate race-spec models if you're chasing absolute minimum weight
- Not as purely aero-focused as dedicated wind-cheater bikes when flat speed is the priority
About the Scott Addict RC 10
Scott's obsession with shaving grams has reached a new peak. The Addict RC 10 sits at the sharp end of their road race line-up, built around a frame that tips the scales at just 640 grams yet delivers over 20 per cent more stiffness than the previous generation. That's the magic of HMX carbon - Scott's top-tier layup - combined with their PP mandrel moulding process, which sculpts the inner surfaces with surgical precision. The result is a bike that climbs like it's been launched from a catapult and responds to every pedal stroke as if the tarmac itself is elastic.
This isn't a bike that hides its intent. The integrated Syncros cockpit, one-piece bar and stem, tucks every cable out of sight and slices through the air with purpose. Shimano's Ultegra Di2 groupset delivers the shifts, hydraulic discs haul you down from speed, and those Syncros Capital 1.0S carbon hoops - 40mm deep, 25mm internal - keep the momentum rolling. You'll find clearance for 34mm rubber, a generous allowance for a race bike that opens the door to longer rides over less-than-perfect surfaces without sacrificing that taut, responsive feel.
Where the Addict RC 10 really earns its keep is on the climbs. The geometry is race-sharp but not punishing, the weight advantage is palpable when the road tilts up, and the frame's compliance - yes, compliance in a sub-7.1kg race machine - means you're not rattled to bits on the descent. It's a bike that rewards commitment, whether you're chasing a breakaway or simply chasing your own limits on a Sunday morning loop.
Scott Addict RC 10 geometry
Scott has stretched the reach across the size range, giving you a longer, lower position that suits modern racing posture without tipping into discomfort. The head angle steepens as you move up the sizes, from 71.3 degrees on the XXS to 73.8 on the XXL, which keeps the front end responsive and the steering direct. You're not wrestling the bike through tight corners; it carves with intent, and the slightly longer wheelbase - just over a metre on the medium - adds a touch of high-speed stability without dulling the agility.
Stack grows generously as the sizes climb, so taller riders aren't forced into a slammed position unless they choose it. The seat angle relaxes slightly on the larger frames, which helps balance your weight over the bottom bracket when you're grinding up a long col. Chainstays are a uniform 410mm across the board, short enough to keep the rear end snappy but not so tight that the bike feels nervous under power. The 70mm bottom bracket drop is standard fare for a race bike, placing you low enough for cornering confidence without compromising pedal clearance.
On the bike, this translates to a posture that's aggressive but not extreme. You'll feel stretched out enough to generate power efficiently, yet the stack gives you room to breathe on longer efforts. The front end tracks cleanly through fast descents, and when you stand to attack, the frame responds instantly without any flex or vagueness. It's a geometry that assumes you know what you're doing and rewards you for it.
Component choices & upgrades
The stock build is already well sorted. Shimano's Ultegra Di2 groupset is the sweet spot in their electronic range - reliable, precise, and nearly as crisp as Dura-Ace for a fraction of the cost. The 52/36 chainrings paired with an 11-34 cassette give you enough range for steep climbs without leaving you spinning out on fast descents. The hydraulic discs, 160mm front and 140mm rear, offer controlled, fade-free braking in all conditions. You're not left wanting here.
That said, if you're chasing marginal gains or have specific terrain demands, there's room to refine. The Syncros Capital 1.0S wheels are tubeless-ready and aerodynamically sound, but if you're racing at a high level, a lighter or deeper carbon wheelset could shave a few more grams or add aero efficiency on flat stages. The Schwalbe ONE TLE tyres are fast and grippy, but if you're riding rougher roads regularly, a slightly wider or more supple tyre - within that 34mm clearance - could boost comfort without sacrificing speed.
The Syncros Belcarra saddle is a personal thing; some riders love it, others swap it immediately. If you're spending hours in the saddle, don't hesitate to fit your preferred perch. The integrated cockpit is brilliant for aesthetics and aerodynamics, but it does limit your ability to tweak bar width or stem length independently - make sure you're confident in the fit before committing. Beyond that, the bike is race-ready out of the box, and most riders will find the stock spec more than capable for their needs.
Where the Scott Addict RC 10 excels
This bike is built for racing and fast road riding, and that's where it truly shines. Climbing is its forte - the low weight and stiff frame mean every watt you put down translates directly into forward motion. When the road kicks up, you'll feel the difference compared to heavier machines. It's not just about the numbers; it's the sensation of the bike lifting beneath you, eager to crest the next rise.
It's also a capable all-rounder for long sportives and fast club rides. The increased tyre clearance and compliant carbon layup mean you can tackle chipseal, patchy tarmac, and even light gravel without being shaken apart. The geometry strikes a balance between race aggression and all-day comfort, so you're not suffering after four hours in the saddle. The aerodynamic integration helps on flat sections and rolling terrain, though it's not as slippery as a dedicated aero bike.
Where it's less ideal is for riders seeking maximum aerodynamic efficiency on flat, fast courses - bikes like the Specialized Venge or Trek Madone will edge it out in a straight-line sprint. It's also not a bike for casual, upright riding or heavy commuting; the race geometry and lightweight build are wasted in stop-start traffic. If you're after a do-it-all endurance machine with relaxed handling and maximum comfort, the standard Addict (non-RC) or an endurance-focused model from another brand will suit you better. But if your weekends involve attacking climbs, chasing down breakaways, or simply riding fast on varied terrain, the Addict RC 10 is a formidable tool.
Scott Addict RC 10 FAQs
What is the weight of the 2026 Scott Addict RC 10?
The complete bike weighs approximately 7.1 kilograms, with the frame kit alone coming in at around 640 grams. That's impressively light for a production race bike, and you'll feel the difference on every climb and acceleration.
What type of brakes does the Scott Addict RC 10 have?
It's equipped with Shimano Ultegra hydraulic disc brakes, with 160mm rotors up front and 140mm at the rear. They offer powerful, consistent stopping in all weather conditions, with excellent modulation for precise control on fast descents.
What is the tyre clearance on the latest Scott Addict RC?
The frame accommodates tyres up to 34mm wide, a generous allowance for a race bike. This gives you the flexibility to run wider rubber for added comfort and grip on rougher roads without compromising the bike's race-focused character.
Is the Scott Addict RC 10 a good bike for climbing?
Absolutely. The combination of low weight, stiff HMX carbon frame, and efficient power transfer makes it one of the best climbing bikes in its class. When the gradient steepens, the Addict RC 10 responds with eagerness, rewarding every effort you put in.
What is the difference between the Scott Addict and Addict RC?
The Addict RC is the race-focused variant, built with lighter HMX carbon, more aggressive geometry, and a focus on weight savings and aerodynamic integration. The standard Addict leans towards endurance, with a more relaxed geometry, slightly heavier frame, and a greater emphasis on all-day comfort over outright speed.
What is the drivetrain on the Scott Addict RC 10?
It features Shimano Ultegra Di2, a 2×12-speed electronic groupset with 52/36 chainrings and an 11-34 cassette. The shifting is crisp and reliable, and the gear range covers everything from steep climbs to fast descents with ease.
How aerodynamic is the Scott Addict RC 10?
It's more aerodynamic than previous Addict models, thanks to the integrated Syncros cockpit, internal cable routing, and refined tube shapes. However, it's not as aero-optimised as dedicated aero race bikes - Scott has prioritised low weight and climbing performance, with aerodynamics as a strong secondary benefit rather than the primary focus.
Key Features & Benefits
- HMX carbon frame (640g): Climbs faster and accelerates harder without sacrificing stiffness or durability
- Syncros integrated carbon cockpit: Hides all cables for cleaner aerodynamics and a sleek, distraction-free front end
- Shimano Ultegra Di2 2×12-speed: Delivers precise, effortless shifts under load, with reliable electronic performance
- Clearance for 34mm tyres: Lets you run wider rubber for added comfort and grip on rougher roads without losing speed
- Syncros Capital 1.0S 40mm carbon wheels: Balances low weight with aerodynamic efficiency, keeping momentum high on varied terrain
Scott Addict RC 10 2025 and 2024 differences
The 2025 model introduced a significant weight reduction, with the HMX carbon frame kit dropping to around 640 grams, a notable improvement over the 2024 version. Scott refined the carbon layup and moulding process, delivering over 20 per cent more stiffness for the same weight. The 2025 build featured Shimano Ultegra Di2 throughout, with 160mm front and 140mm rear rotors, and Syncros Capital 1.0S 40mm carbon wheels shod with 700×30C Schwalbe ONE TLE tyres. Tyre clearance was confirmed at up to 34mm, offering greater versatility for rougher roads.
The 2024 model ran SRAM Force eTap AXS wireless electronic shifting and SRAM hydraulic disc brakes, with SRAM CenterLine XR 160mm rotors front and rear. Wheels were Syncros Capital 1.0 35 Disc, slightly shallower than the 2025 hoops, and tyres were 700×28C Schwalbe ONE. The frame design and HMX carbon were already central to the 2024 bike, but the 2025 revision brought further weight savings, improved integration, and a shift back to Shimano's electronic groupset. Geometry was also updated for 2025, with slightly longer reach figures and refined stack heights to suit modern race positioning.
Alternatives to Consider
Within Scott's own range, the Addict RC Ultimate sits above the RC 10, offering a lighter build with Dura-Ace or SRAM Red components and deeper carbon wheels, aimed squarely at riders chasing every last gram and willing to pay for it. If you're after a more forgiving ride with similar DNA, the standard Scott Addict 10 trades some race aggression for endurance comfort, with a slightly more relaxed geometry and a focus on all-day capability rather than outright speed.
Cross-brand, the Specialized S-Works Aethos is a direct rival, built around a similarly lightweight frame with a focus on ride quality and climbing prowess, though it leans even further into the 'lightweight purist' ethos with no aero pretensions. The Trek Emonda SLR 7 offers comparable weight and climbing performance, with Trek's OCLV carbon and a slightly more traditional aesthetic. The BMC Teammachine SLR01 brings Swiss precision and a race-proven pedigree, with a stiffer, more aggressive character that suits crit racing and punchy efforts. For riders who want a touch more aero efficiency without abandoning the lightweight ethos, the Cervélo R5 strikes a similar balance, with refined tube shapes and a geometry that's equally at home on climbs or fast flats. Finally, the Bianchi Oltre RC blends Italian flair with modern race geometry, offering a slightly more compliant ride while still delivering the stiffness and responsiveness you'd expect from a top-tier race bike.
Reviews
Lightweight race bikes often promise the world and deliver a jarring, unforgiving ride. This one doesn't. The HMX carbon layup absorbs enough chatter to keep you comfortable over chipseal and patchy tarmac, yet the frame remains taut and responsive when you're out of the saddle, attacking a climb. That balance is rare, and it's one of the reasons the Addict RC 10 feels so capable across varied terrain.
When the road tilts upward, the bike comes alive. Power transfer is immediate, with no flex or vagueness through the bottom bracket, and the low weight means you're not hauling dead mass toward the summit. Acceleration is sharp, whether you're sprinting out of a corner or bridging a gap on a rolling road. The Syncros Capital 1.0S wheels hold speed well, and the 40mm depth adds a touch of aero efficiency without making the bike skittish in crosswinds.
Descending reveals the bike's composure. The geometry keeps the front end stable at speed, and the hydraulic discs offer controlled, fade-free braking with excellent modulation. You can lean into fast corners with confidence, and the bike tracks cleanly through rough sections without deflecting or chattering. Because the frame accommodates 34mm tyres, you can run a bit more volume for added grip and comfort without sacrificing the taut, race-focused feel.
The integrated Syncros cockpit is a visual and aerodynamic win, tucking all cables out of sight and presenting a clean, purposeful front end. It does limit your ability to swap stem length or bar width independently, so fit is critical - get it right, and you'll appreciate the sleek integration; get it wrong, and you're looking at a costly cockpit replacement. Shimano's Ultegra Di2 groupset is faultless, delivering crisp shifts under load and reliable electronic performance in all conditions. The 52/36 chainrings paired with an 11-34 cassette cover a wide range, from steep Alpine climbs to fast flat sections, without leaving you searching for gears.
Comfort is better than you'd expect from a sub-7.1kg race bike. The carbon layup and wider tyre clearance mean you're not rattled to bits on long rides, and the geometry strikes a balance between race aggression and all-day livability. It's not an endurance bike, but it's far from punishing, and you can comfortably rack up big miles without suffering. The Syncros Belcarra saddle is a personal preference - some riders find it supportive, others swap it immediately - but that's true of any stock saddle.
Where the bike is less dominant is on flat, fast terrain where pure aerodynamics matter most. It's quicker than older lightweight race bikes, thanks to the integrated cockpit and refined tube shapes, but dedicated aero machines will edge it out in a straight-line sprint. If your racing involves long, flat stages or time trials, you might want something more wind-cheating. For everything else - climbs, rolling roads, fast sportives, technical descents - the Addict RC 10 is a formidable tool that rewards skill and commitment.
Full Specification
| Spec | Value |
|---|---|
| Frame | Addict RC HMX Carbon |
| Frame Material | HMX Carbon Fiber |
| Frame Construction | PP Mandrel Manufacturing Process |
| Frame Features | Internal cable routing, integrated carbon cockpit |
| Tyre Clearance | Up to 34mm |
| Bottom Bracket | Shimano SM-BB71-41B (PressFit BB86/89.5/92) |
| Rear Axle | Thru-axle, 142x12mm |
| Drivetrain | 2x12-speed Shimano Ultegra Di2 |
| Shifters | Shimano Ultegra Di2 ST-R8170 |
| Front Derailleur | Shimano Ultegra Di2 FD-R8150 |
| Rear Derailleur | Shimano Ultegra Di2 RD-R8150 |
| Crankset | Shimano Ultegra FC-R8100 Hollowtech II, 52x36T |
| Cassette | Shimano Ultegra CS-R8101-12, 11-34T |
| Chain | Shimano CN-M8100-12 |
| Brakes | Hydraulic Disc |
| Brake Levers & Calipers | Shimano Ultegra BR-R8170 |
| Rotors (Front) | Shimano RT-CL800, 160mm |
| Rotors (Rear) | Shimano RT-CL800, 140mm |
| Rims | Syncros Capital 1.0S, 40mm carbon, 25mm internal width |
| Rims (Tubeless Ready) | Yes |
| Spokes | Bladed spokes |
| Hubs | Syncros |
| Axles (Rear) | Thru-axle, 142x12mm |
| Tyres (Front) | Schwalbe ONE TLE Race-Guard Fold, 700x30C |
| Tyres (Rear) | Schwalbe ONE TLE Race-Guard Fold, 700x30C |
| Handlebar | Syncros IC-R100-SL Carbon integrated handlebar and stem |
| Headset | Acros AIF-1317 integrated |
| Seatpost | Syncros SP-R101-CF carbon |
| Saddle | Syncros Belcarra Regular 2.0 |
| Weight (Approx) | 7.1 kg |