Trek Top Fuel 9.9 XX AXS Full Suspension Carbon Mountain Bike 2025 in Pennyflake

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Top Fuel 9.9 is a full suspension carbon mountain bike for riders who don't settle.

Trek

Trek Top Fuel 9.9 XX AXS Full Suspension Carbon Mountain Bike 2025 in Pennyflake

£5,149.00 £10,800.00 52% off

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Trek Top Fuel 9.9 XX AXS Full Suspension Carbon Mountain Bike 2025 in Pennyflake

Season:2025Sale

Brand:Trek

Code:41651Pennyflake

Top Fuel 9.9 is a full-suspension carbon mountain bike for riders who don't settle.

Not for parts nor for one style of riding. It combines a high-end component package with a low-weight carbon frame for one unbelievably fun rig that's fast on flow and fun to ride on techy singletrack.

You’re looking for a do-it-all full-suspension mountain bike that's efficient and fast, but doesn't shy away from some bigger stuff. You want the added stiffness and weight savings of a carbon frame, and want parts packed with performance advantages.

A light and stiff OCLV Mountain Carbon frame, 130 mm RockShox Pike Ultimate fork with DebonAir spring and Charger 3 RC2 damper, 120 mm of rear travel with a RockShox Deluxe Ultimate RCT shock and SRAM's wireless 12-speed XX AXS direct-mount transmission that's as light as it is precise. Plus, a wide carbon Bontrager Line Elite 30 wheels with a 108-tooth Rapid Drive hub for instant engagement, 4-piston brakes for confident descents, a RockShox Reverb AXS Dropper and carbon handlebar/stem combo.

The Top Fuel 9.9 is a performance-built carbon rough-terrain bike with top-tier parts that give you noticeable benefits on the trail, like more speed from the carbon wheels, more grip from the ultra-smooth suspension and incredible shifting performance from SRAM's wireless XX AXS transmission.

Key Features & Benefits:

Removable Knock Block 2.0:A bigger steering angle to keep cables and hoses safe without sacrificing turning radius.
Carbon Fibre Frame:Gives a light, responsive ride.
12 SRAM XX Eagle AXS Gears:Perfect wireless shifting for all terrain.

Full Specification:

Frame:OCLV Mountain Carbon, internal storage, tapered head tube, Knock Block 2.0, internal guided routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 120 mm travel
Rear Shock:RockShox Deluxe Ultimate RCT, 185 mm x 50 mm
Fork:RockShox Pike Ultimate, DebonAir spring, Charger 3 RC2 damper, 44 mm offset, Boost110, Maxle Stealth, 130 mm travel
Number of Gears:12
Gear Shifters:SRAM AXS POD Ultimate
Chainset:SRAM XX Eagle, DUB, 30T, T-Type, 55 mm chainline, 170 mm length
Chainrings:30T
Rear Cassette:SRAM Eagle XS-1299, T-Type, 10-52, 12-speed
Chain:SRAM XX Eagle, T-Type, 12-speed
Front Derailleur:N/A
Rear Derailleur:SRAM XX SL Eagle AXS, T-Type
Bottom Bracket:SRAM DUB MTB Wide, 73 m, BSA threaded
Pedals: Not supplied:Shop pedals here
Rims:Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless-Ready
Front Hub:Bontrager Line Pro 30, 6-bolt, Boost110
Rear Hub:Bontrager Line Pro 30, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148
Front Tyre:Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 29x2.40"
Rear Tyre:Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 29x2.40"
Brakes:SRAM Level Ultimate 4-piston hydraulic disc
Handlebars:Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5 mm handlebar rise, 820 mm width, 0-degree stem rise, 35 - 45mm stem length
Headset:Knock Block Integrated, cartridge bearing, 1-1/8"" top, 1.5"
Stem:Bontrager RSL Integrated, see handlebars
Saddle:Bontrager Arvada, austenite rails, 138 mm width
Seatpost:RockShox Reverb AXS, 100 mm travel, wireless, 34.9 mm, 340 - 480 mm length
Accessories:SRAM eTap battery pack (with charger)
Weight:M– 12.65 kg / 27.89 lb (with TLR sealant, no tubes)

Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Size Guide for Trek Top Fuel

Size	Rider Height	Rider Height	Inseam	Inseam
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"

Geometry Information for Trek Top Fuel 5, 7, & 8

Frame size number	15.5"	15.5"	17.5"	17.5"	18.5"	18.5"	19.5"	19.5"	21.5"	21.5"	21.5"	23.0"	23.0"
Frame size letter	S	S	M	M	ML	ML	L	L	XL	XL	XL	XXL	XXL
Geometry position	High	Low	High	Low	High	Low	High	Low	High	High	Low	High	Low
Wheel size	29"	29"	29"	29"	29"	29"	29"	29"	29"	29"	29"	29"	29"
A — Seat tube	39.5	39.5	42	42	43.5	43.5	45	45	50	50	50	54	54
B — Seat tube angle	70.4°	70.0°	70.4°	70.0°	70.4°	70.0°	70.4°	70.0°	70.4°	70.4°	70.0°	70.4°	70.0°
Effective seat tube angle	76.4°	76.0°	76.4°	76.0°	76.4°	76.0°	76.4°	76.0°	76.4°	76.4°	76.0°	76.4°	76.0°
C — Head tube length	10	10	10	10	10.5	10.5	11	11	12.5	12.5	12.5	13.5	13.5
D — Head angle	66.4°	66.0°	66.4°	66.0°	66.4°	66.0°	66.4°	66.0°	66.4°	66.4°	66.0°	66.4°	66.0°
E — Effective top tube	56.7	56.8	59.7	59.8	61.4	61.5	63	63.1	65.3	65.3	65.4	67.5	67.6
F — Bottom bracket height	34.3	33.8	34.3	33.8	34.3	33.8	34.3	33.8	34.3	34.3	33.8	34.3	33.8
G — Bottom bracket drop	3.1	3.6	3.1	3.6	3.1	3.6	3.1	3.6	3.1	3.1	3.6	3	3.6
H — Chainstay length	43.4	43.5	43.4	43.5	43.4	43.5	43.4	43.5	43.4	43.4	43.5	43.4	43.5
I — Offset	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4
J — Trail	11.5	11.8	11.5	11.8	11.5	11.8	11.5	11.8	11.5	11.5	11.8	11.5	11.8
K — Wheelbase	115	115.1	118	118.1	119.7	119.8	121.4	121.5	124	124	124.1	126.5	126.5
L — Standover	71.9	71.5	74	73.5	74.5	74	75	74.5	76	76	75.5	77	76.5
M — Frame reach	42.4	42	45.4	45	46.9	46.5	48.4	48	50.4	50.4	50	52.4	52
N — Frame stack	59.2	59.5	59.2	59.5	59.7	60	60.1	60.5	61.5	61.5	61.8	62.4	62.7

Geometry Information for Trek Top Fuel Carbon Frames

Frame size number	15.5"	15.5"	17.5"	17.5"	18.5"	18.5"	19.5"	19.5"	21.5"	21.5"
Frame size letter	S	S	M	M	ML	ML	L	L	XL	XL
Geometry position	High	Low	High	Low	High	Low	High	Low	High	Low
Wheel size	29"	29"	29"	29"	29"	29"	29"	29"	29"	29"
A — Seat tube	39.5	39.5	42	42	43.5	43.5	45	45	50	50
B — Seat tube angle	69.9°	69.5°	69.9°	69.5°	69.9°	69.5°	69.9°	69.6°	69.9°	69.6°
Effective seat tube angle	75.9°	75.5°	75.9°	75.5°	75.9°	75.5°	75.9°	75.6°	75.9°	75.6°
C — Head tube length	10	10	10	10	10.5	10.5	11	11	12.5	12.5
D — Head angle	65.9°	65.5°	65.9°	65.5°	65.9°	65.5°	65.9°	65.6°	65.9°	65.6°
E — Effective top tube	56.9	57	59.9	60	61.5	61.6	63.1	63.2	65.4	65.5
F — Bottom bracket height	34.6	34.1	34.6	34.1	34.6	34.1	34.6	34.1	34.6	34.1
G — Bottom bracket drop	2.7	3.2	2.7	3.3	2.7	3.3	2.7	3.3	2.7	3.3
H — Chainstay length	43.4	43.5	43.4	43.5	43.4	43.5	43.4	43.5	43.4	43.5
I — Offset	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3
J — Trail	12	12.3	12	12.3	12	12.3	12	12.3	12	12.3
K — Wheelbase	115.3	115.4	118.3	118.4	120	120.1	121.7	121.8	124.4	124.4
L — Standover	72.4	71.9	74.4	73.9	74.9	74.4	75.4	74.9	76.4	75.9
M — Frame reach	41.9	41.5	44.9	44.5	46.4	46	47.9	47.5	49.9	49.5
N — Frame stack	59.6	59.9	59.6	59.9	60	60.4	60.5	60.8	61.9	62.2

Warranty Information for Trek:

Lifetime warranty on Frame sets (frame and rigid fork), main frame and full suspension swing arms for the lifetime of the original owner, and Bontrager wheels with carbon rims.

2-year warranty on Rear suspension linkage components, including bearings, rocker link and accompanying hardware and components, Bontrager wheels with alloy rims, Paint and transfers.

For full warranty policy please visit trekbikes.com

Technical Information

Frame
OCLV Mountain Carbon, internal storage, tapered head tube, Knock Block 2.0, internal guided routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 120 mm travel
Fork
RockShox Pike Ultimate, DebonAir spring, Charger 3 RC2 damper, 44 mm offset, Boost110, Maxle Stealth, 130 mm travel
Shock
RockShox Deluxe Ultimate RCT, 185 mm x 50 mm
Max compatible fork travel
130mm (541mm axle-to-crown)
Wheel front
Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless-Ready, 6-bolt, Boost110, 15 mm thru-axle
Wheel rear
Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12 mm thru-axle
Tyre
Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 29x2.40"
Max tyre size
Frame: 29x2.50", Fork: See manufacturer
Shifter
SRAM AXS POD Ultimate
Rear derailleur
SRAM XX SL Eagle AXS, T-Type
Crank
SRAM XX Eagle, DUB, 30T, T-Type, 55 mm chainline, 170 mm length
Bottom bracket
SRAM DUB MTB Wide, 73 m, BSA threaded
Cassette
SRAM Eagle XS-1299, T-Type, 10-52, 12-speed
Chain
SRAM XX Eagle, T-Type, 12-speed
Max. chainring size
1x: 36T round, 34T oval, min 28T
Components
Saddle
Bontrager Arvada, austenite rails, 138 mm width
Seatpost
Size:S
RockShox Reverb AXS, 100 mm travel, wireless, 34.9 mm, 340 mm length
Size:M, M/L
RockShox Reverb AXS, 150 mm travel, wireless, 34.9 mm, 440 mm length
Size:L, XL
RockShox Reverb AXS, 170 mm travel, wireless, 34.9 mm, 480 mm length
Handlebar/stem (integrated)
Size:S
Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5 mm handlebar rise, 820 mm width, 0-degree stem rise, 35 mm stem length
Size:M, M/L, L, XL
Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5 mm handlebar rise, 820 mm width, 0-degree stem rise, 45mm stem length
Brake
SRAM Level Ultimate 4-piston hydraulic disc
Brake rotor
Size:S, M, M/L, L, XL
SRAM HS2, 6-bolt, 160 mm
Size:S, M, M/L, L, XL
SRAM HS2, 6-bolt, 180mm
Battery
SRAM eTap battery pack (with charger)

Sizing Information

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Trek Top Fuel 9.9 XX AXS Full Suspension Carbon Mountain Bike 2025 in Pennyflake

Trek Top Fuel 9.9 XX AXS Full Suspension Carbon Mountain Bike 2025 in Pennyflake

Key Features & Benefits:

Full Specification:

Size Guide for Trek Top Fuel

Geometry Information for Trek Top Fuel 5, 7, & 8

Geometry Information for Trek Top Fuel Carbon Frames

Warranty Information for Trek:

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