Scott Spark ST 910
Climb like an XC racer, descend like a trail rider, switch between modes at the flick of a lever.
- TwinLoc lever: instant climb/descend switch
- Integrated shock lowers centre of gravity
- SRAM GX Eagle AXS wireless shifting
- 140mm Fox fork, 120mm rear travel
- Adjustable head angle without cable cuts
- 29er wheels with 2.4" Maxxis rubber
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Bikesy's Verdict
The Scott Spark ST 910 nails the downcountry brief better than most. This is a bike that genuinely excels at climbing without sacrificing trail capability, thanks to that brilliant TwinLoc system and Scott's integrated suspension design. The wireless SRAM drivetrain and Fox suspension package show serious intent, while the adjustable geometry lets you fine-tune the handling to suit your style.
You're getting XC efficiency when you need it, trail capability when the terrain demands it, and the build quality to handle whatever you throw at it. If your rides mix long climbs with technical descents, and you want one bike that does both brilliantly, this Scott deserves serious consideration.
Pros
- TwinLoc system transforms bike character instantly
- Lightweight carbon frame climbs like a rocket
- Wireless SRAM shifting with excellent range
- Adjustable head angle without maintenance faff
- Integrated shock design protects from trail debris
Cons
- Complex lever setup can cause accidental activation
- Limited travel for aggressive downhill riding
- Internal routing complicates home maintenance
About the Scott Spark ST 910
The Scott Spark ST 910 sits in that sweet spot where XC efficiency meets proper trail capability. This isn't your granddad's cross-country whippet - the ST designation signals Scott's 'Super Trail' intent, packing 140mm of Fox fork travel and beefier Maxxis Dissector rubber onto a chassis that still climbs like it's been stung by a wasp.
What makes this bike tick is Scott's integrated suspension wizardry. The rear shock lives inside the frame, protected from trail debris while dropping the centre of gravity for sharper handling. Add the TwinLoc system - a thumb-press lever that transforms the bike's personality from climbing machine to descending weapon - and you've got a trail bike that adapts faster than you can say 'technical climb ahead'.
This is downcountry done right: light enough to gap the field on fire road climbs, composed enough to rail bermed singletrack, yet still happy to point downhill when the gradient gets spicy. The wireless SRAM drivetrain and Fox suspension package shows Scott means business, while that adjustable head angle lets you fine-tune the handling without bleeding brakes or cutting cables.
Scott Spark ST 910 geometry
The Spark ST's numbers translate to a bike that sits you in the sweet spot between XC urgency and trail composure. The reach grows sensibly across sizes without going full enduro-long, keeping you centred over the bike for efficient climbing while still offering enough cockpit room to get your weight back when things get steep.
That 65.4-degree head angle (adjustable by 0.6 degrees either way) strikes the right balance - slack enough for confident descending, steep enough that you won't be wrestling the front wheel on tight switchbacks. The seat angle keeps you over the pedals for proper power transfer, while the relatively short chainstays help the bike pivot around corners with surprising agility for a 29er.
Stack height remains sensible across the size range, so you won't need a forest of spacers to get comfortable. The overall package feels planted at speed yet nimble in the tight stuff - exactly what you want from a bike that needs to excel everywhere from XC race starts to after-work trail sessions.
Component choices & upgrades
Scott's built the ST 910 with components that actually make sense together. The SRAM GX Eagle AXS transmission brings wireless shifting precision without the weight penalty of XX1, while those Shimano SLX four-piston brakes offer proper stopping power that won't fade on long descents. The Fox 34 Performance Elite fork and custom NUDE shock provide a suspension platform that's both supple and supportive.
Those Syncros Silverton wheels are tubeless-ready and built to take a beating, while the 30mm internal width suits the 2.4-inch Maxxis Dissectors perfectly. The integrated Syncros cockpit keeps cables tidy and offers clean mounting points for your computer and lights.
If you're chasing marginal gains, consider upgrading to a Fox Factory fork for more precise damping control, or swapping to lighter carbon wheels if your wallet can handle it. The tyres might warrant attention depending on your local dirt - perhaps something with more bite up front if you're tackling proper technical terrain, or a faster-rolling rear if you're mixing in XC racing.
Where the Scott Spark ST 910 excels
This bike absolutely dominates on mixed terrain rides where you need to climb efficiently but still want to have fun on the way down. Think long fire road ascents followed by flowing singletrack descents, or XC loops with technical sections that would leave a pure race bike feeling sketchy.
The TwinLoc system transforms how you approach varied terrain - flip to climb mode for maximum efficiency on the ups, switch to descend mode when gravity takes over. It's brilliant for riders who tackle everything from XC races to weekend trail adventures on the same bike.
Where it's less ideal is pure downhill or bike park duty. While the 140/120mm travel handles most trail riding with aplomb, you'll want something burlier if you're regularly hitting big drops or charging through rock gardens at warp speed. It's also not the bike for riders who prefer the simplicity of a single suspension setting - that TwinLoc lever adds complexity some might find unnecessary.
Scott Spark ST 910 FAQs
What is the difference between Scott Spark 910 and Spark ST 910? The ST (Super Trail) version packs more travel - 140mm up front versus 130mm on the standard Spark - plus beefier tyres and more aggressive geometry. It's Scott's answer to the downcountry trend, bridging XC efficiency with proper trail capability.
Is the Scott Spark ST 910 a good enduro bike? Not really. While it handles trail riding brilliantly, the 120mm rear travel and XC-influenced geometry aren't suited to proper enduro racing or aggressive all-mountain riding. You'd want Scott's Genius range for that sort of punishment.
How much travel does the Scott Spark ST 910 have? It runs 140mm up front via the Fox 34 fork and 120mm at the rear through Scott's integrated NUDE shock system. That's the sweet spot for downcountry riding - enough to smooth out trail chatter without the weight penalty of longer-travel bikes.
What is the weight of the Scott Spark ST 910? Scott claims 12.7kg for the complete bike in tubeless setup. That's impressively light for a trail bike with this much capability, thanks to the carbon frame and thoughtful component choices.
Is the Scott Spark ST 910 good for climbing? Absolutely brilliant. The lightweight chassis, efficient suspension platform, and TwinLoc climb mode make it a proper hill-climbing weapon. You'll gap heavier trail bikes on the ups while still having the capability to enjoy the downs.
Can you fit wider tyres on the Scott Spark ST 910? The bike comes with 2.4-inch Maxxis Dissectors, and while Scott doesn't publish maximum clearance figures, there should be room for similar-width alternatives. Going much wider would likely require careful tyre selection to avoid clearance issues.
How do you adjust the head angle on the Scott Spark ST 910? Scott's Acros headset system allows 0.6 degrees of adjustment either way without cutting cables or bleeding brakes. It's a simple process that lets you fine-tune the handling for your riding style or local terrain.
Key Features & Benefits
- TwinLoc suspension control: Instant switching between climb efficiency and descending capability
- Integrated NUDE shock system: Protected from damage while lowering centre of gravity for better handling
- SRAM GX Eagle AXS transmission: Wireless shifting precision with 520% gear range for any terrain
- Adjustable head angle geometry: Fine-tune handling characteristics without cutting cables or bleeding brakes
- Carbon HMF frame construction: Lightweight yet stiff platform that climbs efficiently and handles precisely
Scott Spark ST 910 2023 differences
The 2023 model shared virtually identical specifications with the 2024 version, including the same SRAM GX Eagle AXS transmission, Fox 34 Performance Elite fork, and Shimano SLX brake package. Some builds featured slightly different wheelset options like the Syncros Revelstoke 1.1, but the core platform remained consistent.
The 2022 non-ST Spark 910 represented a different approach entirely, with 130mm Fox 34 travel versus the ST's 140mm, and a more XC-focused geometry with steeper angles. The ST designation marked Scott's move into the downcountry segment, adding travel and capability while maintaining the Spark's climbing prowess.
Alternatives to Consider
Within Scott's range, the Spark RC 900 offers a more race-focused package with shorter travel and lighter weight, while the Genius ST 910 steps up to proper enduro capability with 160mm travel front and rear. For similar downcountry intent, the Trek Top Fuel 9.7 brings comparable travel figures with Trek's own suspension wizardry, though it lacks the TwinLoc system's versatility.
The Specialized Epic EVO Comp matches the downcountry brief with 130mm travel and Brain suspension technology, while the Santa Cruz Blur CC offers a more playful character with VPP suspension. Cannondale's Scalpel Carbon SE provides another take on the downcountry theme with their Lefty fork and AI suspension platform.
Each brings different strengths - Trek's smoother suspension action, Specialized's Brain technology for automatic lockout, Santa Cruz's renowned VPP feel, or Cannondale's unique Lefty setup. The Scott's TwinLoc system and integrated design remain its key differentiators in this competitive segment.
Reviews
Lightweight agility meets proper trail capability in a package that genuinely excels at both. The TwinLoc system proves its worth immediately - thumb the lever to climb mode and the bike transforms into an XC weapon, flip to descend and it settles into composed trail mode with impressive traction and control.
Fox suspension delivers the goods with supple small-bump compliance that keeps the wheels tracking over roots and rocks. When the gradient steepens, that integrated shock design pays dividends with a lower centre of gravity that makes the bike feel planted and predictable. SRAM's wireless shifting works flawlessly, offering crisp gear changes without the cable routing headaches.
Cornering reveals the geometry's sweet spot - neutral enough for efficient climbing, aggressive enough for confident descending. Those Maxxis Dissectors provide excellent grip across varied terrain, while the Shimano brakes offer consistent stopping power. The bike feels stiff under power yet compliant enough to smooth trail chatter effectively.
Minor niggles include the crowded lever setup that can lead to accidental activation, and the suspension can feel slightly overwhelmed when pushed to absolute limits on the roughest terrain. Worth it if you want genuine downcountry versatility without compromise.
Full Specification
| Frame | Spark ST Carbon HMF |
| Frame Material | Carbon |
| Frame Construction | Spark ST Carbon HMF |
| Frame Features | Integrated Suspension Technology, Flex Pivot, adjustable head angle, Syncros Cable Integration System |
| Tyre Clearance | Maxxis Dissector 2.4" WT |
| Standards (BB/Axle/UDH) | BB92 PressFit, 12x148mm Boost, UDH |
| Suspension Platform | Integrated Suspension Technology, Single Pivot with Flex Pivot |
| Rear Travel | 120mm |
| Rear Shock | FOX FLOAT X NUDE PE EVOL Piggy Back Trunnion, SCOTT custom |
| Fork | FOX 34 Float Performance Elite Grip 2 Air |
| Fork Travel | 140mm |
| Fork Offset | 44mm |
| Fork Adjustments | HSC - LSC - HSR- LSR adjustable |
| Drivetrain | 1x12 Speed |
| Shifters | SRAM GX Eagle AXS Rocker Controller |
| Rear Derailleur | SRAM GX Eagle AXS Transmission, 12 Speed |
| Crankset | SRAM GX Eagle Transmission DUB |
| Chainring | 32T |
| Crank Length | 170mm (SM), 175mm (MD-XL) |
| Bottom Bracket | SRAM DUB PF 92 MTB Wide |
| Cassette | SRAM GX Eagle XS 1275 Transmission, 10-52T |
| Chain | SRAM CN GX Eagle Transmission |
| Brakes | Hydraulic Disc |
| Brake Levers | Shimano SLX M7120 |
| Calipers | Shimano SLX M7120, 4-piston |
| Rotors (Front) | Shimano SM-RT66, 6 Bolt, 180mm |
| Rotors (Rear) | Shimano SM-RT66, 6 Bolt, 180mm |
| Wheels | Syncros Silverton 2.5-30 |
| Rims (IW) | Syncros Silverton 2.5-30, 30mm internal width |
| Hubs (Front) | Syncros Silverton 2.5, 15x110mm Boost |
| Hubs (Rear) | Syncros Silverton 2.5, 12x148mm Boost with XD driver |
| Axles (Front) | 15x110mm |
| Axles (Rear) | 12x148mm |
| Tyres (Front) | Maxxis Dissector, 2.4" WT |
| Tyres (Rear) | Maxxis Dissector, 2.4" WT |
| Tyre Casing/Compound | 3C MaxxTerra compound, EXO casing, 60 TPI |
| Tubeless Ready | Yes |
| Handlebar (Width/Rise/Sweep/Clamp) | Syncros Fraser iC SL DC Carbon, 780mm width, 0° rise, 8° back sweep |
| Stem (Length/Angle/Clamp) | Integrated with handlebar, Virtual length: 40mm (SM), 50mm (MD), 60mm (LG), 70mm (XL) |
| Headset | Syncros - Acros Angle adjust & Cable Routing HS System, ZS56/28.6 - ZS56/40 MTB |
| Seatpost (diameter/travel) | Syncros Duncan Dropper Post 1.5, Drop: 125mm (SM), 140mm (MD), 150mm (LG/XL) |
| Saddle | Syncros Tofino Regular 2.5 |
| Weight (Approx) | 12.7 kg |