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Top Fuel 8 fuses the speed of a cross country bike with the capability and forgiveness of a full suspension trail bike. It's quick, nimble, and dishes out serious fun on flow trails and techy descents alike.
It's right for you if...
You're looking for a do-it-all full suspension mountain bike that balances efficiency with shred-ability. You want to rip rough descents, fly up climbs, and crush lap after lap.
The tech you get
A lightweight aluminum frame with internal storage, 120mm RockShox SID fork with plush DebonAir spring, 120mm of rear travel with a FOX Performance Float shock, and a Shimano XT drivetrain. Plus, 4-piston brakes for confident descents, Bontrager Line Comp 30 wheels that are already completely tubeless ready, including sealant, and a Bontrager Line Dropper.
The final word
Top Fuel 8 gets you the value of an alloy frame with drivetrain, fork, and brake upgrades that keep up as you progress in speed and skill.
Why you'll love it
- This bike's killer suspension setup is both efficient and ready to party
- Mino Link lets you make small adjustments to your geometry quickly and easily, even mid-ride
- A sleek internal storage compartment gives you a versatile spot to stow tools and gear
- New, removable Knock Block has a bigger steering angle to keep cables and hoses safe without sacrificing turning radius
Small | Medium | Medium/Large | Large | X-Large | XX-Large | |
---|---|---|---|---|---|---|
A. Reach | 42cm | 45cm | 46.5cm | 48cm | 50cm | 52cm |
B. Stack | 59.5cm | 59.5cm | 60cm | 60.5cm | 61.8cm | 62.7cm |
C. Standover | 71.5cm | 73.5cm | 74cm | 74.5cm | 75.5cm | 76.5cm |
D. Effective Top Tube | 56.8cm | 59.8cm | 61.5cm | 63.1cm | 65.4cm | 67.6cm |
E. Head Tube Angle | 66.0° | 66.0° | 66.0° | 66.0° | 66.0° | 66.0° |
F. Head Tube Length | 10cm | 10cm | 10.5cm | 11cm | 12.5cm | 13.5cm |
G. Seat Tube Angle | 70.0° | 70.0° | 70.0° | 70.0° | 70.0° | 70.0° |
H. Seat Tube Length | 39.5cm | 42cm | 43.5cm | 45cm | 50cm | 54cm |
I. Bottom Bracket Height | 33.8cm | 33.8cm | 33.8cm | 33.8cm | 33.8cm | 33.8cm |
J. Bottom Bracket Drop | 3.6cm | 3.6cm | 3.6cm | 3.6cm | 3.6cm | 3.6cm |
K. Fork Rake/Offset | 4.4cm | 4.4cm | 4.4cm | 4.4cm | 4.4cm | 4.4cm |
L. Trail | 11.8cm | 11.8cm | 11.8cm | 11.8cm | 11.8cm | 11.8cm |
M. Wheelbase | 115.1cm | 118.1cm | 119.8cm | 121.5cm | 124.1cm | 126.5cm |
O. Chainstay Length | 43.5cm | 43.5cm | 43.5cm | 43.5cm | 43.5cm | 43.5cm |
Small | Medium | Medium/Large | Large | X-Large | XX-Large | |
---|---|---|---|---|---|---|
A. Reach | 42.4cm | 45.4cm | 46.9cm | 48.4cm | 50.4cm | 52.4cm |
B. Stack | 59.2cm | 59.2cm | 59.7cm | 60.1cm | 61.5cm | 62.4cm |
C. Standover | 71.9cm | 74cm | 74.5cm | 75cm | 76cm | 77cm |
D. Effective Top Tube | 56.7cm | 59.7cm | 61.4cm | 63cm | 65.3cm | 67.5cm |
E. Head Tube Angle | 66.4° | 66.4° | 66.4° | 66.4° | 66.4° | 66.4° |
F. Head Tube Length | 10cm | 10cm | 10.5cm | 11cm | 12.5cm | 13.5cm |
G. Seat Tube Angle | 70.4° | 70.4° | 70.4° | 70.4° | 70.4° | 70.4° |
H. Seat Tube Length | 39.5cm | 42cm | 43.5cm | 45cm | 50cm | 54cm |
I. Bottom Bracket Height | 34.3cm | 34.3cm | 34.3cm | 34.3cm | 34.3cm | 34.3cm |
J. Bottom Bracket Drop | 3.1cm | 3.1cm | 3.1cm | 3.1cm | 3.1cm | 3cm |
K. Fork Rake/Offset | 4.4cm | 4.4cm | 4.4cm | 4.4cm | 4.4cm | 4.4cm |
L. Trail | 11.5cm | 11.5cm | 11.5cm | 11.5cm | 11.5cm | 11.5cm |
M. Wheelbase | 115cm | 118cm | 119.7cm | 121.4cm | 124cm | 126.5cm |
O. Chainstay Length | 43.4cm | 43.4cm | 43.4cm | 43.4cm | 43.4cm | 43.4cm |
Frame | Alpha Platinum Aluminum, internal storage, tapered head tube, Knock Block 2.0, internal guided routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 120mm travel |
---|---|
Fork | RockShox SID, DebonAir spring, Rush RL damper, lockout, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 120mm travel |
Rear Shock | RockShox Deluxe Ulitmate RCT, 185mm x 50mm |
Wheels |
Front: Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle Rear: Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 54, 6-bolt, Boost148, 12mm thru axle |
Tires | Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120tpi, 29 x 2.40" |
Bottom Bracket | Shimano SM-BB52, 73mm, threaded external bearing |
Crankset | Shimano Deore M6120, 30T ring, 55mm chainline |
Shifters | Shimano XT M8100, 12 speed |
Rear Derailleur | Shimano XT M8100, long cage, 51T max cog |
Cassette/Freewheel | Shimano SLX M7100, 10-51, 12 speed |
Chain | Shimano SLX M7100, 12 speed |
Brakes | Shimano 4-piston hydraulic disc, M6100 lever, M6120 caliper |
Rotors | Shimano RT66, 6-bolt |
Handlebars | Bontrager Line, alloy, 35mm, 27.5mm rise |
Tape/Grips | Bontrager XR Trail Comp, nylon lock-on |
Stem | Bontrager Elite, 35mm, 0 degree, 45mm length |
Headset | Knock Block 2.0 Integrated, 72-degree radius (includes infinite-radius chip), sealed cartridge bearing, 1-1/8" top, 1.5" bottom |
Seatpost | TranzX JD-YSI-22PLQ, internal routing, 34.9mm |
Saddle | Bontrager Arvada, steel rails, 138mm width |
Pedals | Sold separately |
Accessories & Extras | Bontrager BITS Internal Frame Storage Bag |
* Subject to change without notice.