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Cross-country mountain bikes have slowly changed over the seasons, with riders expecting more out of their machines. More challenging courses, longer race distances and the desire for a smoother ride has boosted the need for a slightly more limo-like ride. Enter the Top Fuel 9.7 for 2021!
The concept of short-distance, non-technical mountain bike races has frankly gotten a bit tired. Riders want to race the course more than race other riders bar-to-bar. More demanding race courses mean hardtails and short-travel full-suspension machines might be in over their heads. As more riders plan to stay in the saddle for over two hours, the bike needs to be up to the task. "Marathon" events are more prevalent, leading riders to seek longer-travel trail bikes instead of nimble hardtails. Is there a "compromise bike" that does everything well? The Top Fuel 9.7 is exactly that bike. Cross-country mountain bikes need to be lightweight, and the Top Fuel 9.7 starts with the right "backbone": An OCLV Mountain carbon fiber main frame with OCLV Mountain carbon fiber rear stays. Light weight, incredible torsional strength and rugged construction all make for a brilliant chassis to build a bike around. A tapered head tube anchors the fork, adding an extra dash of handling precision, while a press-fit PF92 bottom bracket ensures flex-free power delivery. That totally straight (and ultra strong!) down tube might be concerning to longtime off-road riders, but not to worry. The Top Fuel 9.7 won't get a dent in the down tube from the fork crown in the event of a crash, thanks to an integrated steering limiter called Knock Block. A keyed headset component keeps the fork from spinning too far, resulting in a damaged frame. Control Freak internal routing manages cables and brake hosing, keeping the Top Fuel 9.7 rattle-free and looking clean. Out back, Trek's exclusive Active Braking Pivot (or ABP) rear suspension geometry isolates pedaling force from suspension movement, espcially during hard braking. No energy is lost, and every bump is handled. Period. The upper rocker link that connects to the rear shock is made from magnesium, keeping weight very low and also eliminating lateral binding on the shock for faster bump response. The reverseable Mino Link pivot points at the top of the rear seat stays allow the rider to change the bike's geometry slightly. Upright and nimble? Lower and slacker? It only takes one tool on the trail side to change the bike's personality.
The rear suspension boasts 115mm of travel (and not the usual 90-100mm), offering the rider a more forgiving feel over technical trails and down rocky descents. The air-adjustable Fox Performance Float shock can be shut off with a bar-mounted TwistLock lever, bringing a more road-like feel on pavement and hardpan. Up front, an air-adjustable RockShox Reba RL suspension fork features 120mm of travel, helping to keep the Top Fuel 9.7 where you point it in rock gardens and root "fun houses". The fork is also connected to the same TwistLoc lockout lever, making that operation simple.
The drivetrain of XC racing machines need to offer a wider gearing range on longer, more challenging courses. The 12-speed single-ring drivetrain of the Top Fuel 9.7 brings a massive range to the party with a 10-50T SRAM cassette. A SRAM NX Eagle shifter and NX Eagle derailleur adds lightning-fast operation to every gear change, even under hard pedaling loads. A SRAM NX Eagle alloy crankset and 32T SRAM single chainring keeps things simple and light while helping to deliver power without wasteful flex.
The rolling stock of the Top Fuel 9.7 needed to be light as well as durable. Bontrager's alloy Kovee Comp 23 wheels and Team Issue XR3 29x2.40" tires are tubeless-ready, offering a light feel and grippy traction for effortless maneuvering in tight singletrack. Shimano hydraulic disc brakes boast excellent stopping power and lever feedback in all conditions, rain or shine (or mud).
Here's something you don't usually see on a cross-country mountain bike: A dropper post. Bontrager equips the Top Fuel 9.7 with a Line Dropper seatpost, complete with bar-mounted remote lever. A Bontrager Montrose Comp saddle, alloy Rhythm Comp stem, and alloy Comp handlebar finish off this race-ready rig.






If gravel racing and long-distance adventures are already your thing, you need to see the Revolt Advanced 0.
At first, gravel cycling was done on a garden-variety touring bike: Long wheelbase, stable geometry, room for wide tires, and durable components. It did the job sorta OK, despite the fact it handled like an artichoke. Plus lugging a 30+lb. bike up challenging inclines could get old pretty fast. When the gravel scene exploded, Giant knew it had to rise to the top of the food chain with lighter high-performance machines like the Revolt Advanced 0.
Giant started with their own Advanced-Grade Composite carbon fiber, ensuring excellent quality control, light weight and durability. By utilizing a geometry for gravel (not overloaded touring), the Revolt Advanced 0 brings instant pedaling response and confident handling to every ride. A massive down tube, press-fit bottom bracket and 12mm thru-axles adds impressive torsional strength for razor-sharp handling and effective power transfer. No wasted energy means more speed. An OverDrive tapered head tube/steerer tube interface adds an extra level of handling precision in all conditions. The Revolt's overall geometry is more upright, allowing a wider range of riders -and rider flexibilities- to get comfortable over multi-hour adventures. Every ride could last all day in the rough stuff, and Giant added useful details to the Revolt Advanced 0. An X-Defender downtube guard helps deflect rocks and gravel, while a smart mounting system allows rack installation. There's even room for tires up to 45mm wide. When Shimano released their GRX gravel/adventure components to the world, everyone scrambled to get it on their bikes. With good reason! Shimano GRX makes tackling off-road tours, adventures and gravel racing easier and more fun! The Revolt Advanced 0 is equipped with GRX810 components for top-of-the-line performance. The rear GRX810 derailleur boasts a clutch that helps keep the chain engaged while hammering over washboard surfaces. The GRX front derailleur features a toggle-pivot design that requires less hand strength to operate under pedaling loads. An 11-34T Shimano cassette and GRX810 crankset with sub-compact 48/31T chainrings bring a massive gearing range to the Revolt Advanced 0. New GRX810 dual-control levers boast a new texture and profile, improving grip and comfort on rough terrain. The rolling stock on the Revolt Advanced 0 really hits it out of the park: Tubeless carbon fiber wheels! Giant's CXR-2 Carbon Disc wheelset adds next-level performance to the bike with a feathery-light 1518 gram weight. The rim profile measures 35mm for a bit of aero improvement. A 25mm inner rim width allows wide tires to spread out on rough surfaces for better grip and lower rolling resistance. Maxxis provides the tubeless-ready 700x40c Velocita tires. Giant's Contact XR D-Fuse road handlebar soaks up fatiguing vibration, while a composite D-Fuse seatpost does the same job out back. A Giant Approach saddle completes this smooth-riding adventurer.



Trek's Checkpoint SL 6 gets a few upgrades from last season. Somehow, it costs less!
Technology mixed with decades of engineering experience at Trek has led us to awesome machines like this. Trek's 500 Series OCLV carbon fiber makes up the frame, producing a very light chassis. Need even wider tires? The Checkpoint SL 6 will take rubber up to 45mm wide, thanks to a roomy fork and a clever "dropped" drive-side chainstay. Got plenty of stuff? Rack mounts, fender mounts and up to 4 bottle mounts let you install all kinds of bags and accessories for multi-day adventures. Are the "roads" barely worthy of the name? The Checkpoint SL 6 has your back with an IsoSpeed decoupler and Ride Tuned seatmast at the top of the seat tube/top tube juncture. This allows the frame and seatmast to comfortably flex when attacking washboard hardpan, pavement transitions and railway crossings. A stable geometry and a low bottom bracket add confidence on loose surfaces. That comfort doesn't come at the cost of handling and torsional strength, though. A tapered head tube and rock-solid BB90 bottom bracket adds strength for precise handling and flex-free power delivery. An adjustable Strangehold thru-axle rear dropout can adjust the wheelbase by as much as 15mm, offering a longer wheelbase for stability, or a shorter wheelbase for the more classic feel of a road bike. Loose surfaces can mean lots of "roost" from spinning tires, but the Checkpoint SL's Carbon Armor will protect the downtube's bottom from flying stones. Control Freak internal cable routing is not only sleek, but also eliminates noisy cable rattle. Front and rear 12mm thru-axles bring an extra dash of torsional strength for razor-sharp handling.
The Checkpoint SL 6 is equipped with Shimano's latest 11-speed Ultegra "R8020" components, adding precise operation, excellent durability and very low weight to the bike. The hoods of the dual-control levers have been reshaped and retextured, giving the rider better grip while reach adjustability has been kept for riders with smaller hands. The new rear Ultegra RX derailleur boasts a Shadow-style low profile design and a clutch brought over from mountain biking. The lever-operated clutch helps prevent chain drops and chain slap on rough terrain. The Shadow-style rear derailleur requires less hand strength to operate and is also less likely to get snagged by trail-side branches and rocks. The front derailleur is also redesigned, with the same toggle-style mechanism found on the newest Dura-Ace unit. The trimmed tail of the front derailleur's cage adds clearance for wider tires on a short-wheelbase bike. Flat-mount Ultegra hydraulic disc brakes add confident stopping power in all conditions as well as excellent lever feedback. The stainless steel and aluminum IceTech Freeza rotors disperse heat much faster than all-steel rotors; helpful when descending fast while loaded down with cargo. A 50/34T Ultegra compact crankset and 11-34T Shimano HG800 cassette boasts a huge gearing range for challenging climbs and steep descents.
Bontrager's Paradigm Comp 25 alloy wheelset is tubeless-ready and weighs only 1675 grams (that is not a misprint). These light wheels are laced with 24 stainless steel spokes each, and are ready to take on gravel fire roads with Bontrager's tubeless-ready 700x40c GR1 Team Issue tires. The 25mm internal width of the rims allow the tires to spread out for better grip and handling. The Bontrager rear thru-axle hub is equipped with a Rapid Drive 54 freehub, allowing faster engagement with every pedal stroke. A Bontrager Arvada Comp saddle offers a comfy perch for multi-hour (or multi-day) rides and races. An accessory-ready alloy Bontrager Pro Blendr stem and alloy Bontrager Elite IsoZone VR-CF road handlebar complete the cockpit of this gravel-conquering masterpiece.





Off-road riding can be pretty challenging, and not everyone has the inherent fitness to climb every mountain despite riding an outstanding machine. The Powerfly 4 is there for everyone else who wants to experience the outdoors. This example is from the far side of the Atlantic, making it unique! The specifications are slightly different from the U.S. version, but the idea is the same.
Trek has designed a high-performance hardtail mountain bike with one purpose: Make every trail and ascent easier with a Bosch power-assist motor. Powered by a 625Wh Li-Ion battery, the Bosch Performance CX motor can crank out up to 85Nm of torque, giving the rider a serious boost, even up steep inclines. That boost is adjustable with 4 levels of assistance. The system is engaged only when the rider is actually pedaling, and the power cuts out when the bike goes faster than 15mph. Range can be up to 70 miles, depending on hills, trail surfaces, rider weight, headwinds and other factors. The Bosch Purion display on the right side of the handlebars gives expected range, assist level, speed, distance and time of ride.
The Powerfly's Alpha Platinum aluminum frame allows the Bosch battery to nestle inside the downtube, keeping the center of gravity low and freeing up space in the frame's main triangle for water bottles. Called RIB for Removable Integrated Battery, the lockable battery mount keeps the Powerfly 4 looking sleek and clean. The adjustable Suntour XCM 34 suspension fork can be dialed for a rider's weight, riding style or trail surface. There's even a lockout knob to shut off the fork when riding on pavement or gravel. A single-ring 10-speed Shimano Deore drivetrain makes shifting lightning-quick, with a massive 11-46T Shimano cassette for tackling challenging terrain. Tektro HD-M275 hydraulic disc brakes bring confident stopping power in all conditions, rain or shine (or mud). Alloy Bontrager Connection wheels are shod with meaty 29x2.30" Bontrager XR3 Comp tires, bringing plenty of grip to loose surfaces. The "furniture" for the Powerfly 4 is straightforward: A comfy Bontrager Commuter Comp saddle mounted on an alloy Bontrager 2-bolt seatpost and an alloy Bontrager handlebar and stem. The stem is accessory-ready, with mounts for a front light or handlebar computer (both sold separately). Bontrager XR Endurance Comp lock-on grips offer a positive feel under the hands.
A Bosch battery charger is included with the purchase of this bicycle.
