2025 Trek Top Fuel 5 Gen 4- Crimson
The Top Fuel 5 Gen 4 is a nimble alloy trail bike that's ready to hammer up climbs and hold its own on descents – all without breaking the bank. It offers 130 mm of front and 120 mm of rear suspension that gives you just enough squish to soak up chatter without draining your power on all-day pedal fests. It comes equipped with a RockShox suspension package and Shimano Deore group set that gives you everything you need to rip in an economical package.
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OVERVIEW
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SPECS
It's right for you if...
You want to dive into a full suspension rig and want a light, yet capable alloy ride to get you there. Cost is an important factor, and you don't mind upgrading some parts over time. You want to ride a variety of trails, from smooth cross-country to more rugged all-mountain and you need a versatile bike that stays efficient on long climbs without sacrificing confidence on descents.
The tech you get
An Alpha Platinum Aluminium frame with a 4-way Mino Link for adjusting geometry and leverage rate. A 130 mm RockShox Recon Silver RL fork with SoloAir spring, Motion Control damper and lockout, plus 120 mm of rear travel with an X-Fusion Pro 2 shock with a 2-position damper. It's topped off with a Shimano Deore 12-speed group set, hydraulic disc brakes, a TranzX dropper post and Tubeless Ready Bontrager Line TLR 30 wheels.
The final word
The Top Fuel 5 Gen 4 is a versatile trail bike that finds the balance between efficiency, capability and budget. Its lightweight alloy frame packs in tons of adjustment, thanks to the 4-way Mino Link, with plenty of internal storage for stashing essentials on the ride. An economical component package is ready to hit the trail now and gives you room for upgrades later.
Why you'll love it
Its lightweight frame and versatile geometry make it the perfect choice for all kinds of rides and all kinds of riders
The 4-way Mino Link makes it easy to adjust your geometry or leverage rate for how and where you want to ride
Its economical build lets you dive into a full suspension mountain bike without breaking the bank, and it leaves room for upgrades over time
The Alpha Platinum Aluminium frame is robust, yet light, and packs in updated internal frame storage for easy access to gear and snacks
It's more upgrade-ready than ever, with room for bigger 140 mm forks and longer-stroke shocks for up to 130 mm of rear travel, plus room for extra-long dropper posts
*Please note – spec applies to all sizes unless listed separately
Frameset
Frame Alpha Platinum Aluminium, internal storage, tapered head tube, internal guided routing, downtube guard, OCLV Next rocker link, Mino 4 link, ABP, Boost148, 120 mm travel
Fork RockShox Recon Silver RL, Solo Air, Motion Control damper, lockout, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 130 mm travel
Shock X-Fusion Pro 2, 2-position damper, 185 mm x 50 mm
Max compatible fork travel 140 mm
Wheels
Hub front Bontrager alloy, 6-bolt, Boost110, 15 mm thru-axle
Hub rear Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost148, 12 mm thru axle
Skewer rear Bontrager Switch thru-axle, removable lever
Rim Bontrager Line TLR 30, Tubeless-Ready, 32-hole, Presta valve
*Tyre Size: S
Bontrager Gunnison Elite XR, Tubeless Ready, wire bead, 60 tpi, 27.5x2.40"
Size: M, ML, L, XL
Bontrager Gunnison Elite XR, Tubeless Ready, wire bead, 60 tpi, 29x2.40"
Tyre part Bontrager TLR sealant, 180 ml/6 oz
Rim strip Bontrager TLR
Max tyre size Frame: 29x2.50", Fork: See manufacturer
Drivetrain
Shifter Shimano Deore M6100, 12-speed
Rear derailleur Shimano Deore M6100, long cage
Crank Shimano MT512, 30T ring, 55 mm chain line, 170 mm length
Bottom bracket Shimano BB-MT501 BSA
Cassette Shimano Deore M6100, 10-51, 12-speed
Chain Shimano Deore M6100, 12-speed
Max. chainring size 1x: 34T, min 30T
Components
Saddle Bontrager Verse Short, stainless steel rails
*Seatpost Size: S
TranzX JD-YSI22, 100 mm travel, internal routing, 34.9 mm, 346 mm length
Size: M, ML, L, XL
TranzX JD-YSI22, 170 mm travel, internal routing, 34.9 mm, 497 mm length
Handlebar Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width
Grips Bontrager XR Trail Comp, nylon lock-on
Stem Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length
Brake Shimano MT200 hydraulic disc
Brake rotor Shimano RT26, 6-bolt, 180 mm
Rotor size Max brake rotor sizes – Frame: 200 mm, min 180 mm, Fork: see fork manufacturer
Accessories
Bag Bontrager BITS Internal Frame Storage Bag
Weight
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.
Ukuthumela ngomkhumbi
Sihlose ukuthi i-oda ngalinye ligcwaliswe futhi lithunyelwe zingakapheli izinsuku zokusebenza ezi-3-5 ngemuva kokukhokhwa kwe-oda lakho.
Isixhumanisi senqubomgomo yakho yokuthumela .
Ukulethwa
Thenga ku-inthanethi ngebhayisikili bese ukhetha phakathi kwezinketho ezi-2 ezikahle zokuletha.
Chofoza futhi uqoqe ama-oda akho esitolo.
I-courier yendlu ngendlu ezweni lonke.
Ukubuyiselwa imali
Sicela uqaphele ukuthi asinikezeli ukubuyiselwa kwemali okuqondile, lokhu kukhishwa njengamakhredithi esitolo kuphela.
SINGOBANI
Ibhayisikili yisitolo samabhayisikili i-Trek esizinze e-Hillcrest, e-KZN. Sinikezela ngemikhiqizo ehlukahlukene evela kumabhayisikili e-Trek, izingubo ze-Bontrager, kanye nesikhungo sesevisi esigcwele. Ufuna into ongayitholi esitolo se-inthanethi, sithumele umlayezo futhi sizokusiza.
