Brand: TREK
Reference: 5319326
Trek's 2025 Top Fuel 8 Gen 4 bike is an aluminum trail bike that offers a perfect blend of climbing efficiency and descending confidence. It features versatile 130mm front and 120mm rear travel to overcome rocks and roots, without sacrificing power on climbs. It's made from lightweight Alpha Platinum aluminum, saving you money on your travels, but with upgrades where they matter most, like a 12-speed Shimano XT and SLX drivetrain and a FOX Rhythm 34 fork.
It is ideal for you if...
You're looking for a full suspension aluminum bike that's ready to rock. You like to do everything from cross-country to all-mountain, and you need a light, versatile and reliable bike. You appreciate the strength of aluminum, but look for improvements where they matter, like the drivetrain and suspension.
Features
Its lightweight frame and versatile geometry They make it the perfect choice for all types of routes and all types of cyclists.
The 4-position Mino Link allows you to easily adjust the geometry or progression of the suspension depending on where and how you want to ride.
Achieve an ideal balance between price and performance, with improved components and a robust aluminum frame.
The Alpha Platinum aluminum frame is strong and lightweight and offers optimized internal storage for easy access to gear and snacks.
It's more ready than ever for any upgrade, with room for larger 140mm forks and longer-stroke shocks, offering up to 130mm of rear travel, plus room for extra-long dropper posts. .
Frame Assembly
Alpha Platinum Aluminum frame, internal storage, tapered head tube, internal cable routing, down tube protector, linkage OCLV carbon rocker Next, Mino 4 Link, ABP, Boost148, 120mm travel
Fox Rhythm 34 fork, Float EVOL air chamber, GRIP damping, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 130mm travel
Fox Performance Float DPS shock, 3-position damping, 185 mm x 50 mm
Maximum compatible fork travel 140 mm
Wheels
*Front wheel
Size: S
Bontrager Line Comp 30, Tubeless Ready, 6 bolts, Boost110, 15mm thru axle, 27.5"
Size: M, ML, L, XL
Bontrager Line Comp 30, Tubeless Ready, 6 bolts, Boost110, 15mm thru axle, 29"
Bontrager Line Comp 30 rear wheel, Tubeless Ready, Rapid Drive 54, 6 bolts, Boost148, 12 mm thru axle
Rear closure Bontrager Switch thru axle, removable cam
*Cover
Size: S
Bontrager Gunnisson Pro XR, Tubeless Ready, wire rim, 60 tpi, 27.5x2.40”
Size: M, ML, L, XL
Bontrager Gunnisson Pro XR, Tubeless Ready, double compound, aramid rim, 60 tpi, 29x2.40"
Bontrager TLR Sealant Cover Piece, 6oz
Bontrager TLR rim tape
Max. size. of the tire Frame: 29x2.50" Fork: See manufacturer
Transmission
Shimano XT M8100 shift lever, 12 speeds
Shimano XT M8100 rear derailleur, long cage
Shimano Deore M6120 bottom bracket, 30T steel chainring, 55 mm chain line, 170 mm length
Shimano BB-MT501 BSA bottom bracket
Shimano SLX M7100 cassette, 10-51T, 12 speeds
Shimano SLX M7100 chain, 12 speeds
Maximum plate size 1x: 34D, min. 30D
Components
Bontrager Verse P3 saddle, chromoly rails
*Seatpost
Size: S
Bontrager Line Dropper, 100 mm travel, MaxFlow, internal guidance, 34.9 mm, 310 mm length
Size: M, ML, L, XL
Bontrager Line Dropper, 170 mm travel, MaxFlow, internal guidance, 34.9 mm, 450 mm length
Bontrager Line handlebar, aluminum, 35 mm, height 27.5 mm, width 780 mm
Bontrager XR Trail Comp grips with nylon lock
Bontrager Elite stem, 35 mm, 0 degrees, 45 mm length
Brake Shimano 4-piston hydraulic disc, M6100 lever, M6120 brake caliper
Shimano RT66 brake disc, 6 screws, 180 mm
Disc size Maximum brake disc dimensions: frame: 200 mm, min. 180 mm, fork: see manufacturer
Accessories
Bontrager BITS Internal Frame Storage Bag
Weight
Weight M - 14.58 kg / 32.15 lbs (with TLR sealant, without tubes)
Weight limit This bicycle has a maximum weight limit (combined weight of bicycle, rider and cargo) of 136 kg.