Trek Slash+ 9.7 SLX/XT 29"/27.5" 2025
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- Assembled and adjusted by our technicians before shipping
- Updated on : 06/08/2026
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Push the limits of enduro with the Trek Slash 9.7 SLX/XT 29"/27.5" 2025, a next-generation e-MTB designed to deliver pure, uncompromised sensation. Thanks to its light, nearly silent assistance, it lets you tackle technical climbs with ease and chain together committed descents with absolute control. This full-suspension electric mountain bike combines the liveliness of a non-motorized MTB with the discreet power of a high-performance motor for a natural, immersive ride feel.
Built around an OCLV Mountain Carbon frame, the Slash features a high-pivot design with 170 mm of front and rear travel, provided by a Fox Rhythm 38 Float EVOL fork and a Fox Performance Float X shock. This advanced architecture improves obstacle rollover, optimizes traction and delivers impressive stability on the most demanding sections. The compact, nearly inaudible TQ-HPR50 motor produces up to 50 Nm of torque with smooth, progressive assistance. Powered by an integrated 580 Wh battery that is protected and easily removable, it offers the range needed for long mountain rides, with the option to add a range extender for even more distance. The Shimano XT 12-speed drivetrain paired with a Shimano SLX 10-51t cassette ensures precise, reliable shifts even under heavy load. Shimano 4-piston hydraulic brakes and 203 mm rotors provide powerful, consistent stopping power, while Bontrager Line Comp 30 Tubeless Ready wheels and XR5 Team Issue tires deliver grip, durability and control across all terrain.
On technical trails, in bike parks or during long alpine rides, this carbon enduro e-MTB stands out for its perfect balance between pedaling efficiency and downhill performance. Its carefully tuned anti-squat improves acceleration efficiency, while oversized pulleys optimize the drivetrain. The Bontrager Line Dropper 170 mm dropper makes position changes easy for attacking the steepest pitches. With the Trek Central app you can customize assist modes, track your performance and plan your adventures, turning every ride into a tailored experience. With a controlled weight of approximately 20.38 kg in size M and a maximum total capacity of 136 kg, it combines strength and lightness to meet the demands of the most ambitious riders.
The Trek Slash 9.7 SLX/XT 2025 is more than just an electric MTB: it’s an enduro machine engineered for performance, precision and fun. If you’re looking for a premium e-MTB that climbs faster, descends harder and multiplies runs without sacrificing feel, this model is for you. Take action and equip yourself with a bike ready to turn every outing into a true playground.
Technical Information
| Frame | Carbon: OCLV Mountain Carbon, removable battery, high main pivot, idler pulley, adjustable-angle headset, adjustable leverage curve, integrated frame protection, internal cable routing, magnesium rocker, upper chain guide mount, 55 mm chainline, ABP, UDH, thru axle 148x12 mm, 170 mm travel |
| Fork | Fox Rhythm 38, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, Kabolt X 15 mm axle, 170 mm travel |
| Shock | Fox Performance Float X, 2-position shock, 230x65 mm |
| Motor | TQ-HPR50, 50 Nm, 250 watts maximum continuous power, 300 watts peak power |
| Battery | TQ 580 Wh |
| Display | TQ LED display with Bluetooth and ANT connectivity |
| Shifter | Shimano XT M8100, 1x12-speed |
| Rear derailleur | Shimano XT M8100, long cage, 12-speed |
| Cassette | Shimano SLX M7100, 10-51 t, 12-speed |
| Chain | Shimano SLX M7100, 12-speed |
| Crankset | E*thirteen E*spec Plus, crank length 160 mm, E*thirteen E*spec chainring, steel, 32 t, 55 mm chainline |
| Brakes | Shimano M6120, 4-piston hydraulic, Shimano RT66 rotors, 6-bolt, 203/203 mm |
| Wheels | Bontrager Line Comp 30, 27.5", Tubeless Ready, 28 holes, Presta valve, 15x110/12x148 mm, MS freehub |
| Tires | Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 27.5x2.50" |
| Handlebar | Bontrager Line, alloy, 35 mm clamp, 27.5 mm rise, 780 mm width |
| Grips | Bontrager XR Trail Elite, nylon lock-on |
| Stem | Bontrager Elite, 0°, 45 mm |
| Saddle | Bontrager Verse P3, chromoly rails |
| Seatpost | Bontrager Line Dropper, 100 mm drop, MaxFlow, internal routing, 34.9 mm, length 310 mm |
| Weight | M - 20.38 kg |
| Maximum Weight | This bike has a maximum total weight limit (including bike, rider and cargo) of 136 kg |
Geometry
| Frame size | S | M | L | XL |
| Seat tube (mm) | 390 | 400 | 435 | 470 |
| Top tube (mm) | 561 | 588 | 625 | 669 |
| Chainstay length (mm) | 440 | 434 | 434 | 439 |
| Head tube (mm) | 110 | 110 | 120 | 140 |
| Head tube angle (°) | 63.5 | 63.4 | 63.4 | 63.4 |
| Seat tube angle (°) | 74.0 | 73.9 | 73.9 | 73.9 |
| Wheelbase (mm) | 1205 | 1233 | 1267 | 1317 |
| Stack (mm) | 771 | 631 | 639 | 658 |
| Reach (mm) | 430 | 449 | 479 | 519 |





