Fuel EX 8 GX AXS is an evolved trail bike, dialed for riders who chase down rowdy descents, and want a bike that's happy to pedal back to the top and do it again. The lightweight alloy frame pairs with a upgraded electronic wireless 12-speed SRAM GX Eagle transmission, while a 150mm FOX Rhythm fork cushions the blow from rocks and roots. In-frame storage and adjustable geometry give you all the perks that the come with the carbon model, but without the lofty price tag.
OVERVIEW
It's right for you if...
You want a full suspension trail bike that floats over rough and technical terrain, and packs in plusses, like a root-slaying FOX Rhythm fork, and tubeless hoops.
The tech you get
A light and stiff alloy frame with 150mm FOX Rhythm fork with Float EVOL air spring and GRIP damper for small bump compliance, plus a FOX Performance Float X rear shock. SRAM's latest wireless GX Eagle AXS 12-speed transmission for snappy shifting, and Tubeless Ready Bontrager wheels. Plus, adjustable geometry that lets you take control of your setup.
The final word
For the rider who doesn't want to be limited on the trail, Fuel EX 8 is ready to handle everything. Its progressive trail geometry is built to keep you charging, and upgraded components are the cherry on top.
SPECS
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*Please note - spec applies to all sizes unless listed separately
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| Frameset | |
| Frame |
Alpha Platinum Aluminum, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9mm seat tube, ISCG 05, 55mm chainline, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140mm travel
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*Fork
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Size: XS , S
Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 140mm travel |
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Size: S , M , ML , L , XL , XXL
Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 150mm travel |
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| Shock |
Fox Performance Float X, 2-position damper, 185mm x 55mm
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| Max compatible fork travel | 160mm |
| Wheels | |
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*Wheel front
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Size: XS , S
Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5'' |
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Size: S , M , ML , L , XL , XXL
Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'' |
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*Wheel rear
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Size: XS , S
Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 27.5'' |
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Size: S , M , ML , L , XL , XXL
Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 29'' |
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| Skewer rear |
Bontrager Switch thru axle, removable lever
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*Tire
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Size: XS , S
Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 27.5x2.50'' |
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Size: S , M , ML , L , XL , XXL
Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50'' |
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| Tire part |
Bontrager TLR sealant, 6oz
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| Rim strip | Bontrager TLR |
| Max tire size |
Frame: 29x2.50" (XS & S: 27.5x2.50"), Fork: See manufacturer
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| E-system | |
| Battery |
SRAM eTap battery pack (with charger)
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| Drivetrain | |
| Shifter |
SRAM AXS POD
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| Rear derailleur |
SRAM GX Eagle AXS, T-Type
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| Crank |
SRAM GX Eagle, T-Type, DUB, 30T, 55mm chainline, 170mm length
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| Bottom bracket |
SRAM DUB MTB Wide, 73mm, BSA threaded
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| Cassette |
SRAM Eagle XS-1275, T-Type,10-52, 12 speed
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| Chain |
SRAM GX Eagle, T-Type, 12 speed
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| Max chainring size |
1x: 34T round, 32T oval, min 28T
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| Components | |
| Saddle |
Bontrager Verse P3, chromoly rails
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*Seatpost
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Size: XS , S
Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 310mm length |
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Size: M , ML
Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 410mm length |
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Size: L , XL , XXL
Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 450mm length |
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*Handlebar
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Size: XS , S
Bontrager Line, alloy, 35mm, 27.5mm rise, 750mm width |
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Size: M , ML , L , XL , XXL
Bontrager Line, alloy, 35mm, 27.5mm rise, 780mm width |
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| Grips |
Bontrager XR Trail Elite, nylon lock-on
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*Stem
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Size: XS , S
Bontrager Elite, 35mm, 0 degree, 35mm length |
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Size: M , ML , L , XL , XXL
Bontrager Elite, 35mm, 0 degree, 45mm length |
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| Headset |
Integrated cartridge bearing, 1-1/8'' top, 1.5'' bottom, angle adjust cup compatible
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| Brake |
SRAM DB 8 4-piston hydraulic disc
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*Brake rotor
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Size: XS , S , M , ML , L , XL , XXL
SRAM CenterLine, 6-bolt, round edge, 180mm |
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Size: XS , S , M , ML , L , XL , XXL
SRAM CenterLine, 6-bolt, round edge, 200mm |
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| Rotor size |
Max brake rotor sizes - Frame: 203mm, Fork: see fork manufacturer
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| Accessories | |
| Bag |
Bontrager BITS Internal Frame Storage Bag
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| Weight | |
| Weight |
M - 15.70 kg / 34.62 lbs (with TLR sealant, no tubes)
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| Weight limit |
This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
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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, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Prices shown are manufacturer's suggested retail prices.
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Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.
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SIZING GUIDE AND GEOMETRY
| Size | Rider Height | Inseam |
|---|---|---|
| XS |
145 - 155 cm 4'9" - 5'1" |
69 - 73 cm 27" - 29" |
| S |
155 - 165 cm 5'1" - 5'5" |
74 - 78 cm 29" - 31" |
| M |
165 - 176 cm 5'5" - 5'9" |
79 - 83 cm 31" - 33" |
| M/L |
173 - 180 cm 5'8" - 5'11" |
81 - 86 cm 32" - 34" |
| L |
177 - 188 cm 5'10" - 6'2" |
84 - 89 cm 33" - 35" |
| XL |
188 - 195 cm 6'2" - 6'5" |
89 - 91 cm 35" - 36" |
| 2XL |
195 - 203 cm 6'5" - 6'8" |
91 - 97 cm 36" - 38" |
All measurements provided in cm unless otherwise noted.
| XS | S 27.5 | S 29 | M | ML | L | XL | XXL | ||
| WHEELSIZE | 27.5 | 27.5 | 29 | 29 | 29 | 29 | 29 | 29 | |
| A | SEAT TUBE | 360 | 380 | 380 | 410 | 420 | 435 | 470 | 500 |
| B | SEAT TUBE ANGLE | 70.8 | 70.8 | 70.8 | 70.8 | 70.8 | 70.8 | 70.8 | 70.8 |
| EFFECTIVE SEAT TUBE ANGLE | 78.6 | 78.2 | 78.6 | 78.2 | 77.5 | 77.2 | 76.6 | 76 | |
| C | HEAD TUBE LENGTH | 95 | 95 | 95 | 100 | 100 | 105 | 120 | 135 |
| D | HEAD ANGLE | 64.5 | 64.5 | 64.5 | 64.5 | 64.5 | 64.5 | 64.5 | 64.5 |
| E | EFFECTIVE TOP TUBE | 516.2 | 550.5 | 553.8 | 584.1 | 607.4 | 626.9 | 661.8 | 696.6 |
| F | BOTTOM BRACKET HEIGHT | 332 | 332 | 335 | 335 | 335 | 335 | 335 | 335 |
| G | BOTTOM BRACKET DROP | 25 | 25 | 38 | 38 | 38 | 38 | 38 | 38 |
| H | CHAINSTAY LENGTH | 435 | 435 | 435 | 435 | 440 | 440 | 445 | 450 |
| I | OFFSET | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 |
| J | TRAIL | 121.6 | 121.6 | 129.2 | 129.2 | 129.2 | 129.3 | 129.3 | 129.3 |
| K | WHEELBASE | 1144.8 | 1174.8 | 1185.9 | 1213 | 1233.1 | 1250.2 | 1286.7 | 1323.2 |
| L | STANDOVER | 716.8 | 723.8 | 736.8 | 736.8 | 741.8 | 747.8 | 766.8 | 773.8 |
| M | FRAME REACH | 400.2 | 430.2 | 425 | 450 | 470 | 485 | 515 | 545 |
| N | FRAME STACK | 574.1 | 574.1 | 612.3 | 616.8 | 616.8 | 621.3 | 634.9 | 648.4 |
| FORK AXLE-TO-CROWN | 533 | 533 | 561 | 561 | 561 | 561 | 561 | 561 |