KHS SIXFIFTY 5555+E Review
- Price: $2999
- Frame: Carbon fiber
- Wheels: 700c Aluminum
- Gear: 2×10
What we like about it: The powerful power of electric assistance to help climb hills.
What we don’t like about it: It weighs more.
Rating (4.8/5)
Since 1974, KHS Bicycles has been dedicated to designing and manufacturing high-quality bicycles. Over the years, the brand has gained a reputation for its commitment to innovation and quality, as well as its ability to deliver exceptional performance in a variety of cycling disciplines. The SIXFIFTY series is one of KHS’s most outstanding series, designed to provide superior off-road performance.
The KHS SIXFIFTY 5555+E is the epitome of KHS’s pursuit of excellence. This aluminum 11-speed full-suspension endurance electric bike is equipped with Shimano SLX components, hydraulic disc brakes, and a range of other top-of-the-line components. With its powerful electric motor, this bike can even handle the most challenging terrains, making it an excellent choice for endurance riders and other serious cyclists.
The KHS SIXFIFTY 5555+E is versatile and suitable for a wide range of applications and terrain types. Whether you’re riding technical singletrack, tackling steep descents, or climbing challenging hills, this bike can handle it all. The full-suspension design provides excellent traction and stability, while the Shimano SLX components and hydraulic disc brakes offer precise shifting and powerful braking. Whether you’re a seasoned veteran of the sport or a newcomer, the KHS SIXFIFTY 5555+E is an excellent choice for anyone seeking a high-performance electric bike. This electric bike can handle almost any off-road challenge.
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Riding Experience
I recently had the opportunity to ride the KHS SIXFIFTY 5555+E, an electric full-suspension endurance mountain bike, in two different locations and events. The first event was the Trans-Cascadia, a multi-day endurance race held on rugged terrain in the Pacific Northwest. The second event was the Big Bear Mountain Bike Festival, a weekend of riding and racing in the San Bernardino Mountains of Southern California. Both events provided a great opportunity for me to test this bike on various terrains, and its performance left a deep impression on me. Another thing that needs to be prepared in advance is booking accommodation. This time, I still booked accommodation on Skyscanner, hoping for a good rest.
During the Trans-Cascadia race, we encountered some very challenging climbs and descents. The terrain was rocky and technical, with steep slopes and tight turns that required focus and control. The KHS SIXFIFTY 5555+E was an absolute beast in these climbs, effortlessly tackling even the steepest gradients with its powerful electric motor. The full-suspension design provided excellent traction and stability, allowing me to maintain a steady pace even on the most difficult climbs.
Downhill
Downhill riding is equally challenging with steep descents, sharp turns, and tricky rock gardens. This is where the KHS SIXFIFTY 5555+E truly shines. The full suspension design of the bike absorbs bumps and provides excellent downhill control, allowing me to maintain speed and stay on course even in the most technical sections. The Shimano hydraulic disc brakes are also a real asset, providing precise stopping power when I need it most.
At the Big Bear Mountain Bike Festival, the terrain is a bit different. The trails are smoother, and more flowing, with quick berms, jumps, and tabletops. Here, the KHS SIXFIFTY 5555+E excels, providing a smooth, easy ride that allows you to accelerate through turns and maintain momentum. The electric motor provides extra power to easily clear even the biggest jumps, and the full suspension design ensures a smooth landing every time.
Overall, the KHS SIXFIFTY 5555+E has left a lasting impression on me. This electric full-suspension enduro mountain bike is an absolute powerhouse, capable of tackling the most challenging terrain with ease. Whether you’re facing steep climbs, technical descents, or flat, smooth trails, this bike can handle it all. If you’re looking for a high-performance electric bike that can handle almost any challenge, I highly recommend checking out the KHS SIXFIFTY 5555+E.
Specification
The KHS SixFifty 5555+E is a high-performance electric mountain bike with top-of-the-line componentry. The frame is made of E-6061 aluminum with a 4-link Horst Link, providing a sturdy and responsive ride that can handle rough terrain with ease. The wheelset includes WTB Scraper i35 TCS aluminum rims and Kenda Havok Pro EMC tires, providing excellent traction and stability on the trail.
The drivetrain features Shimano SLX components, including a rear derailleur and an 11-speed cassette, ensuring smooth and precise shifting. The Tektro HD-E730 hydraulic brakes with 4-piston calipers and 203/180mm rotors provide powerful and reliable braking. Overall, this bike is an excellent choice for riders seeking a high-performance electric mountain bike with top-of-the-line components.
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What do we like about it?
- Powerful electric motor: The 36V x 250W MPF 6S mid-mounted motor delivers powerful power, making it easier to tackle challenging climbs and technical terrain.
- High-Quality Frame: E-6061 aluminum frame with 4-link Horst linkage provides a sturdy and responsive ride that can easily handle rough terrain.
- Outstanding wheelset: WTB Scraper i35 TCS aluminum rims with Kenda Havok Pro EMC tires provide excellent traction and stability on the track.
- Precise and smooth shifting: The Shimano SLX rear chainstay and 11-speed flywheel provide precise and smooth shifting to ensure optimal performance on the track.
- Powerful and reliable braking: Tektro HD-E730 hydraulic brakes with 4-piston calipers and 203/180 mm rotors provide powerful and reliable braking power.
- Adjustable Seatpost: The Kind Shock Exa-Form KSP-900-i seatpost with remote control allows the rider to adjust the seat height on the fly for improved comfort and control.
- Lightweight design: The use of quality materials and components results in a lightweight design that is easy to maneuver on the road.
- Versatile riding ability: Designed to tackle a variety of terrain, this bike is a great choice for riders looking for a versatile bike.
- Long-lasting battery life: 36V x 14Ah lithium battery provides a long-lasting charge, allowing riders to travel longer distances on a single charge.
What don’t we like about it?
- Weight: The weight is larger compared to normal mountain bikes.
FAQs
- What is the range of the battery?
The 36V x 14Ah lithium battery provides up to 50 miles of range on a single charge, depending on factors such as terrain, rider weight, and riding style.
- Can the electric motor be turned off?
Yes, the electric motor can be turned off, allowing the rider to pedal the bike like a traditional mountain bike.
- Is the bike suitable for technical terrain?
Yes, the KHS SixFifty 5555+E is designed to tackle technical terrain. With its full suspension design and powerful electric motor, it can handle challenging climbs and descents.
- What is the weight of the bicycle?
At approximately 51 pounds, the KHS SixFifty 5555+E is a relatively lightweight electric mountain bike.
- Is the bike suitable for riders of different heights?
Yes, this bike is available in different sizes (S, M, L, XL) with an adjustable seat post so that riders of different heights can find a comfortable and efficient riding position.
KHS SixFifty 5555+E Specs
Build
| Frame | E-6061 Aluminum 4-Bar Horst Link w/Custom Formed T/T & D/T, 12 x 148mm Boost, 1.5 Taper, 27.5 Plus Color: Bora Bora Blue |
| Fork | SR Aion 35 Boost 27.5+, LOR Air, 150mm, 35mm Stanchions, Aluminum Steerer, Magnesium Lowers, Hydraulic Damp, External rebound, Lock-Out, 1.5 Taper. 15QR |
| Rear Shock | X-Fusion 02 Pro RL, Air, Ext Rebound, Lock-Out |
| Headset | FSA Orbit 1.5E, Zero Stack, 1-1/8″~1.5 |
| Stem | Kore XCD, Aluminum 3D Forged, Threadless 4-bolt, 31.8mm S: 60mm, M-L: 70mm, XL: 80mm |
| Handlebar | Kore XCD 1 Riser, 760 x 18mm, 31.8mm |
| Saddle | WTB Volt Sport |
| Seatpost | Kind Shock Exa-Form KSP-900-i, Integra w/Remote, Travel Adjust |
| Pedals | n/a |
| Grips | Q2 Lock-on |
Groupset
| Rear Derailleur | Shimano SLX RD-M7000 |
| Front Derailleur | n/a |
| Crank | Samox Aluminum Forged, 32T, 175mm |
| Shifters | Shimano SLX, SL-M7000, 11-Speed, Trigger, Right Only |
| Cassette | Sun Race, 11-46T, 11-Speed |
| Chain | KMC E11S Anti Rust |
| Brakes | Tektro HD-E730 Hydraulic, 4-Piston, 203/180mm Rotors |
| Brake Levers | Tektro HD-E730 Hydraulic w/Sensor |
Wheels
| Rims | WTB Scraper i35 TCS Aluminum Plus Disc, 27.5, Double Wall, 28H, Tubeless-Ready |
| Spokes | 14G Stainless Black, 28×28 |
| Front Hub | Formula TD711 Sealed Bearing Disc, 15x110mm Axle, Straight Pull, Boost |
| Rear Hub | Formula TD-148S Sealed Bearing Disc Cassette, 12 x 148mm, Straight Pull, Boost |
| Tires | Kenda Havok Pro EMC, 27.5 x 2.6″, 120TPI Folding, Tubeless- Ready |
Electric Components
| Motor | MPF 6S Mid Motor 36V x 250W, 80Nm, Class II, 32T |
| Battery | Lithium 36V x 14Ah, 504wh |
Video
Comparison Table
| Bicycles | Click view | Drivetrain | Frame material | Front Fork | Groupset |
| Trek Rail 5 Gen 3 | Click View | 1×12 | Aluminum alloy | RockShox 35 Gold RL | Shimano Deore, e*thirteen |
| Canyon Spectral:ON CF 7 | Click View | 1×12 | Carbon Fiber | RockShox Lyrik Select | Shimano XT, Deore |
| Scott Genius eRIDE 920 | Click View | 1×12 | Aluminum alloy | Fox Rhythm Float 36 | Shimano XT, Deore |
| CUBE STEREO HYBRID 140 HPC, ABS 750 | Click View | 1×12 | Carbon Fiber | Fox Rhythm Float 34 | Shimano XT, Deore |
KHS SixFifty 5555+E vs Trek Rail 5 Gen 3
One of the biggest differences is the wheel size. the KHS SixFifty 6555+E uses 27.5″ wheels while the Trek Rail 5 Gen 3 uses 29″ wheels. Trek’s larger wheels provide better rolling efficiency and stability at high speeds, while KHS’s smaller wheels provide better maneuverability and acceleration.
Another difference is the motor and battery. the Trek Rail 5 Gen 3 has a more powerful motor with 85Nm of torque, while the KHS SixFifty 6555+E has 80Nm of torque. however, the KHS bike has a slightly larger battery at 504Wh compared to the Trek’s 500Wh. this may result in a slightly different range and power output.
Both bikes feature a full shock design with similar amounts of travel, but the Trek Rail 5 Gen 3 has slightly more fork travel (160mm vs. 150mm for the KHS). This may be slightly better at absorbing big hits and bumps.
Learn More: Is Trek Rail 5A Good Bike? [Trek Rail 5 Full Suspension Mountain E-Bike Review]
KHS SixFifty 5555+E vs Canyon Spectral:ON CF 7
Both of these bikes are full-suspension endurance electric mountain bikes, but there are some differences in wheel size and motor power. The Canyon Spectral:ON CF 7 offers a choice of 27.5″ or 29″ wheels, while the KHS SixFifty 6555+E uses 27.5″ wheels. Compared to the KHS bike’s 80Nm, the Canyon bike also has a more powerful motor with 85Nm of torque.
Another key difference is the drivetrain. The Canyon Spectral:ON CF 7 is equipped with a 12-speed gearbox, while the KHS SixFifty 6555+E has an 11-speed gearbox. This may provide better gear ratio options and smoother shifting with the Canyon.
Both bikes have a full shock design with similar amounts of travel, although the Canyon Spectral:ON CF 7 front and rear shocks have slightly longer travel (150mm front and 155mm rear, 150mm front on the KHS). This may be slightly better at absorbing big hits and bumps on the canyon. For the battery, the KHS SixFifty 6555+E has a 504Wh battery, while the Canyon Spectral:ON CF 7 has a 625Wh battery. this may result in a slightly different range and power output.
Learn More: Is Canyon Spectral 29 CF 7 Worth Buying? [Canyon Spectral 29 CF 7 Review]
KHS SixFifty 5555+E vs Scott Genius eRIDE 920
Compared to the KHS SixFifty 6555+E, the Scott Genius eRIDE 920 has larger 29″ wheels, a more powerful 85Nm motor, and a larger 625Wh battery. It also features a 12-speed drivetrain, offering more gear options for speed transfer than KHS’s 11-speed. In addition, the Scott Genius eRIDE 920 has a larger fork travel of 160mm compared to 150mm on the KHS.
However, the KHS SixFifty 6555+E is lighter than the Scott Genius eRIDE 920, which may make it more maneuverable on technical terrain. Additionally, the KHS is priced lower than the Scott Genius eRIDE 920. This makes it a more affordable option for riders who don’t want to spend too much.
Ultimately, the choice between these two bikes will depend on the rider’s personal needs and preferences. The Scott Genius eRIDE 920 may be a better choice for riders who prioritize a more powerful motor, bigger battery, and 12-speed gearbox, while the KHS SixFifty 6555+E may be a better choice for riders who prioritize lighter weight and a more affordable price point.
KHS SixFifty 5555+E vs CUBE STEREO HYBRID 140 HPC ABS 750
Both bicycles are full-suspension electric endurance mountain bikes, and they both use the same 80Nm motor. However, the CUBE STEREO HYBRID 140 HPC is a more expensive bike compared to the KHS SixFifty 6555+E, and it uses higher-end components. It has a larger 750Wh battery, which provides a greater range than KHS’s 504Wh battery. In addition, the CUBE has a 12-speed gearbox, which provides more gear ratio options and smoother shifting compared to KHS’s 11-speed gearbox.
The CUBE STEREO HYBRID 140 HPC also has greater front and rear suspension travel, with 150mm at the front and 140mm at the back. This can better absorb big impacts and bumps on the road. CUBE also has a more advanced ABS, which helps prevent the wheels from locking up during emergency braking, improving safety and control.
Summary
Above is our test of the KHS SixFifty 5555+E. This electric full-suspension endurance mountain bike is suitable for long-distance off-road routes, and the electric assistance ensures that the rider’s energy is not overly consumed. Although it cannot participate in competitions, a quick ride can allow less physically fit riders to also enjoy the scenery at the mountain top.
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