Endless support during the rowdiest terrain
The 6-bar Independent Floating Suspension platform provides 160mm of optimized wheel path to swallow square-edge hits and remain active under braking, while the independent shock leverage allows supple sensitivity with progressive support for composure in the rowdiest of rock gardens.
Less sacrifice, more victory
The IFS platform’s separation of wheel path from shock leverage also allows highly efficient power transfer without sacrificing small bump compliance. Put your power down and Shimano STEPS delivers a mountain more, direct to the ground on even the chunkiest trails.
Short back and sides
When your business is going fast, 29” wheels deliver unrivaled performance when the trails get gnarly. Their inherently optimal roll over and a long contact patch provide all the braking, cornering and climbing traction you desire, while 2.6” wide Schwalbe Super Gravity tires strike the balance of cushion and precision.
There’s no momentum without speed
The Collosus N8E features a slack 64.5° head angle with long reach and low bottom bracket. Combined with the 29” wheels and short offset fork for a long trail, the stability and high-speed composure is confidence inspiring.
Conquers the steepest climbs
On the other hand, agility is achieved by one of the shortest rear center lengths in category, possible thanks to the IFS wheel path and elevated chainstay design. Despite the 435mm rear center, The Collosus N8E confidently conquers the steepest climbs thanks to the steep 77° seat angle and low, forward center of gravity.
Power with precision
The Collosus N8E features the proven STEPS E8000 2.9kg motor which seamlessly provides up to 60Nm of torque for solid performance. Rigid, durable and weatherproof for confidence on any adventure.
FramesetForkRear ShockFrame ColorDecal Color
Wheel & Tire
Wheel SetWheel SizeTireRimHubSpokes
Brake LeverBrake CaliperRotor
|Seat Tube Length (A)||400 15.75||410 16.14||420 16.54||430 16.93|
|Seat Tube Angle (B)||70 2.76||70 2.76||70 2.76||70 2.76|
|Effective Seat Tube Angle (C)||77 3.03||77 3.03||77 3.03||77 3.03|
|Head Tube Length (D)||100 3.94||105 4.13||110 4.33||120 4.72|
|Head Tube Angle (E)||64.5 2.54||64.5 2.54||64.5 2.54||64.5 2.54|
|Effective Top Tube (F)||594.56 23.41||615.6 24.24||636.65 25.06||658.73 25.93|
|Bb Height (G)||345 13.58||345 13.58||345 13.58||345 13.58|
|Bb Offset (H)||35 1.38||35 1.38||35 1.38||35 1.38|
|Chainstay Length (I)||435 17.13||435 17.13||435 17.13||435 17.13|
|Wheelbase (J)||1212.09 47.72||1234.25 48.59||1256.4 49.46||1280.7 50.42|
|Frame Reach (K)||450 17.72||470 18.5||490 19.29||510 20.08|
|Frame Stack (L)||626.16 24.65||630.68 24.83||635.19 25.01||644.22 25.36|
|Standover Height (M)||710 27.95||710 27.95||710 27.95||710 27.95|
The bike comes with 29x2.6” tires front and rear. Can I fit 27.5” wheels to convert it to a ‘mullet’ set up?
The frame has clearance for a 27.5x2.8" tire so a mullet (29” front, 27.5+ rear) is possible. However, the diameter of a 27.5x2.8" tire is significantly smaller than the standard 29x2.6" tire, hence changing to a mullet set up would reduce BB height and pedal to ground clearance while also slackening both the effective seat and head tube angles.
The fork will also fit a 27.5+ tire, however, this is highly discouraged as the BB drop would become dangerously low. We recommend staying ready for business with 29" all-round.
Can I use a different rear shock?
Most 205mm x 65mm Trunnion Mount shocks should fit. The leverage curve can work well with a coil shock. However, it’s worth noting that Polygon have Fox tune the stock rear shocks to work best with the specific bike model, so a standard tune replacement shock may not offer optimized performance.
Can I change the fork?
You’ll need to use an e-MTB rated fork to ensure it is strong enough to withstand the additional forces and punishment that can be encountered by e-MTBs. The standard forks are 160mm travel, but you can run up to 170mm travel if you like. You cannot use a dual crown fork as the frame is not designed or tested to withstand the different loads.
Can Collosus N8e fit a chain guide?
For sure, the bike comes equipped with an e*thirteen E*Spec Plus top guide. The chain guide mounts directly to the drive unit and the bolt pattern is different to traditional ISCG/05, so most ‘normal’ chain guides are not compatible.
What size rotors can I use?
You can run up to 220mm rotors front and rear. While you can downsize from the standard 203mm to 180mm, we suggest not to.
How can I maximize its pedal assist and the battery lifetime as well?
Shimano STEPS e-MTB drive systems provide 4 power modes; Eco, Trail, Boost and Walk-Assist; and its E-TUBE PROJECT app lets you customize the assistance of each mode to your personal preferences.
We recommend only shifting one gear at a time (up or down the cassette) and try to back off the power through the cranks a little as the integrated torque sensor will immediately react and also back off the motor’s power. Trail mode is much more intuitive with this than Boost mode. We recommend saving Boost mode for cranking straight-up big climbs where gear shifting is limited.
How do I remove the battery?
Insert a 4mm Allen key into the hole above the battery cover on the underside of the downtube. Rotate it in the direction depicted by the arrow to release the battery lock. This will allow the battery to hang slightly down from the tube, creating access to the battery release lever at the top of the battery. Be sure to use two hands when releasing the battery as it’s quite heavy and shouldn’t be dropped.
How do I install the battery?
Ensure the battery connections are clean and dry. Install the base of the battery into the lower mount closest to the motor, then press the top of the battery into the downtube until you hear and feel a “click”. Then your battery is installed.
How do I charge the battery?
The battery can be charged either installed in the bike, via the charging port on the left side in front of the motor, or detached from the bike using the additional connection port supplied with the charger.
I like to ride in mud, are the electronics weather-proof?
Yes. The SHIMANO STEPS systems are waterproof for use under normal riding conditions, including heavy rain. Please do not use a high pressure washer to clean your bike.
How fast can I ride?
When gravity is on your side, there is no limiting your speed beyond that of a “normal” MTB with 160mm of awesome suspension. As far as motor assistance is concerned, the Shimano STEPS systems will provide motor assistance up to 20mph (32km/h) in the USA and Indonesia, or 25km/h in Europe and Australia.
How far can I ride?
The range of any e-MTB depends on many variables, including terrain, gradients, rider weight, assistance mode, rider input, ambient temperature, etc. While 100km adventures are definitely achievable aboard the Collosus N8e, we recommend using the range overview on the display for the best estimate. The range overview is recalculated continuously by calculating speed, rider behavior, and power consumption. This means that range overview makes a prediction, which can vary depending on these different factors.
What is included in the standard warranty?
The electricity components equipped on E-bike, click here for more details.
Do you have a spare battery? How much does it cost?
Stay tuned on our website and social media, we will announce further for the availability.
Can the Collosus N8E fit a larger battery?
No, the Collosus N8E was designed around Shimano’s BT-EN806 630Wh battery as it helps Collosus hit the sweet spot of lighter weight for agility, attainable price points while still offering enough capacity for very big rides.
Can I run a headlight from the Shimano battery?
Yes. Shimano approved front lights can be connected to ports in the STEPS drive unit (motor). This requires significant internal routing and e-system component removal so we recommend having this upgrade made by a certified Shimano STEPS workshop.
The display states W013 error code and the motor has no power. How can I fix it?
W013 is likely the most common error for first time STEPS users. Officially, W013 means Initialization of torque sensor not completed successfully. Don’t fret. It typically occurs when the system is turned on while a load is applied to the crankset. Try turning the system off, ensuring your foot is not on a pedal and the cranks or pedals are not leaning on the ground or against a wall; then turn the system back on again. This should solve the issue.
If you still see the issue try a 'hard reset' - press the power button for 12 seconds and power on once again.
If W013 or any other error code persists, contact your place of purchase or a certified Shimano STEPS workshop.
I want my drivetrain to last a long time. Are there any tricks to smooth shifting on an e-MTB?
While Shimano’s HYPERGLIDE+ 1x12 drivetrains offer very smooth shifting even under the load of EP8’s 85Nm, we recommend only shifting one gear at a time (up or down the cassette) and try to back off the power through the cranks a little as the integrated torque sensor will immediately react and also back off the motor’s power. Trail mode is much more intuitive with this than Boost mode. We recommend saving Boost mode for cranking straight up big climbs where gear shifting is limited.
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