Top Fuel 5 Gen 4
Top Fuel 5 Gen 4 has 130 mm of travel up front and 120 mm in the rear; it delivers just the right amount of suspension to smooth out rough trails while keeping your pedaling efficient all day. It is equipped with a RockShox suspension setup and reliable Shimano Deore components.
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Overview
Features
Specs
Sizing
Geometry
It's right for you if...
You're looking to get into full-suspension riding with a lightweight and capable alloy bike that won't break the bank. You're okay with upgrading components later, and you want a ride that can handle everything—from flowing cross-country routes to rough all-mountain trails—while staying efficient on climbs and steady on the downhills.
The tech you get
This bike features a lightweight Alpha Platinum Aluminum frame paired with a 4-way Mino Link, letting you fine-tune the geometry and leverage. It’s equipped with a 130mm RockShox Recon Silver RL fork with a SoloAir spring, Motion Control damper, and lockout, along with 120mm of rear travel supported by an X-Fusion Pro 2 shock and 2-position damper. Rounding out the setup is a Shimano Deore 12-speed drivetrain, 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 well-rounded trail bike that strikes an excellent combination of performance, adaptability, and affordability. Its lightweight aluminum frame has built-in storage for ride essentials and a 4-way Mino Link for variable geometry. It has an inexpensive component setup that is ready for use right out of the box and has a lot of room for future improvements.
Why you'll love it
The Top Fuel 5 Gen 4 is a well-rounded trail bike that strikes an excellent combination of performance, adaptability, and affordability. Its lightweight aluminum frame has built-in storage for ride essentials and a 4-way Mino Link for variable geometry. It has an inexpensive component setup that is ready for use right out of the box and has a lot of room for future improvements.
The Walkthrough
Make the Top Fuel yours
Go with lightweight components and a 120mm fork for a fast, nimble setup—or choose a 140mm fork and a 130mm rear shock for added capability on tough trails. With space for a longer dropper post and mixed wheel (MX) setup, you can customize it into the ultimate fun-loving trail machine.
4-way Mino Link
Fine-tune both your suspension feel and geometry in four distinct ways to match your riding style and terrain. With a quick adjustment, you can switch between more or less progressive suspension, and choose between a slacker head angle with a lower bottom bracket or a steeper head angle with a higher BB.
New Internal Storage with BITS Bags
The updated internal frame storage now includes new BITS bags, giving you a convenient way to carry tools and essentials—so you can leave the backpack behind without leaving anything important.
Suspension Calculator
Use the suspension calculator to dial in your bike’s suspension based on your weight. Just follow a few steps to get the best setup for your ride.
Complete Tubeless System
Tubeless Ready wheels and tires let you skip the inner tubes for better grip, fewer flats, and lighter weight. Everything you need—like TLR rim strips, valves, and sealant—is included.
Oversized 34.9mm Dropper Post
More stability and durability are provided by a larger seat tube diameter, which also supports longer dropper posts and enables stronger, faster internals.
ISCG Mounts
ISCG (International Standard Chain Guide) mounts make it simple to install and adjust chain guides.
Threaded Bottom Bracket
Threaded bottom brackets are tougher than press-fit options, offering better durability in harsh riding conditions and making maintenance simpler.
*Please note – spec applies to all sizes unless listed separately
- Frame
- Alpha Platinum Aluminium, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino 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
- Hub front
- Bontrager alloy, 6-bolt, Boost110, 15 mm thru-axle
- Hub rear
- Bontrager alloy, sealed bearing, 6-bolt, Shimano Micro Spline freehub, Boost148, 12 mm thru axle
- Skewer rear
- Rim
- *Tyre
- Tyre part
- Bontrager TLR sealant, 180 ml/6 oz
- Rim strip
- Max tyre size
- Frame: 29x2.50", Fork: See manufacturer
- 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
- Saddle
- Bontrager Verse P3, steel rails
- *Seatpost
- Size: S
TranzX JD-YSI22, 100 mm travel, internal routing, 34.9 mm, 346 mm lengthSize: 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
- Rotor size
- Max brake rotor sizes – Frame: 200 mm, min 180 mm, Fork: see fork manufacturer
- Weight
- M - 15.90 kg / 35.06 lbs
- Weight limit
- This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
Size
S
M
ML
L
XL
Rider Height
155 - 165 cm
5'1" - 5'5"
165 - 176 cm
5'5" - 5'9"
173 - 180 cm
5'8" - 5'11"
177 - 188 cm
5'10" - 6'2"
188 - 195 cm
6'2" - 6'5"
Inseam
74 - 78 cm
29" - 31"
79 - 83 cm
31" - 33"
81 - 86 cm
32" - 34"
84 - 89 cm
33" - 35"
89 - 91 cm
35" - 36"
Geometry
All measurements provided in cm unless otherwise stated.
| Frame size letter | Geometry position | Wheel size | A — Seat tube | B — Seat tube angle | Effective seat tube angle | C — Head tube length | D — Head angle | E — Effective top tube | F — Bottom bracket height | G — Bottom bracket drop | H — Chainstay length | I — Offset | J — Trail | K — Wheelbase | L — Standover | M — Frame reach | N — Frame stack |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | High | 29" | 41.0 | 70.5° | 77.3° | 10.5 | 65.9° | 58.7 | 35.4 | 2.6 | 43.4 | 4.3 | 12.1 | 118.8 | 75.5 | 45.2 | 59.9 |
| M | Low | 29" | 41.0 | 70.0° | 76.9° | 10.5 | 65.5° | 58.8 | 34.8 | 3.2 | 43.5 | 4.3 | 12.5 | 118.8 | 75.0 | 44.7 | 60.3 |
| ML | High | 29" | 42.0 | 70.5° | 76.6° | 11.0 | 65.9° | 61.1 | 35.4 | 2.6 | 43.9 | 4.3 | 12.1 | 121.0 | 75.5 | 46.7 | 60.4 |
| ML | Low | 29" | 42.0 | 70.0° | 76.2° | 11.0 | 65.5° | 61.2 | 34.8 | 3.2 | 44.0 | 4.3 | 12.5 | 121.0 | 75.0 | 46.2 | 60.7 |
| L | High | 29" | 43.5 | 70.5° | 76.3° | 11.5 | 65.9° | 63.0 | 35.4 | 2.6 | 43.9 | 4.3 | 12.1 | 122.7 | 76.0 | 48.2 | 60.8 |
| L | Low | 29" | 43.5 | 70.0° | 75.9° | 11.5 | 65.5° | 63.1 | 34.8 | 3.2 | 44.0 | 4.3 | 12.5 | 122.7 | 75.5 | 47.7 | 61.2 |
| XL | High | 29" | 47.0 | 70.5° | 75.6° | 13.5 | 65.9° | 67.2 | 35.4 | 2.6 | 44.4 | 4.3 | 12.1 | 127.0 | 76.5 | 51.2 | 62.6 |
| XL | Low | 29" | 47.0 | 70.0° | 75.2° | 13.5 | 65.5° | 67.3 | 34.8 | 3.2 | 44.5 | 4.3 | 12.5 | 127.1 | 76.0 | 50.7 | 63.0 |
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