Evil Insurgent / GX I9 Hydra MX 2021
Bike details
Key information split into simple groups.
Bike summary
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Frame Carbon
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Wheels 29" / 27.5"
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Travel Front 170mm
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Travel Rear 168mm
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Fork RockShox ZEB Ultimate
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Groupset GX Eagle
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Suspension Full
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Drivetrain 1 × 12
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Brakes Hydraulic Disc
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Insurgent 168mm of travel, UD Carbon, Full Internal Cable Routing, SB+ 157mm Rear Spacing, Integrated Chain Guide, Threaded BB
Suspension Fork
Rockshox ZEB Ultimate 29, Charger 2.1 RC2, 170mm Travel, 44mm Offset
Rear Shock
Rockshox Super Deluxe Coil Ultimate, Trunnion 205x65, ML 320
Drivetrain
Rear Derailleur
SRAM GX Eagle, 12sp
Front Derailleur
Single Ring Only
Shift Levers
SRAM GX Eagle, 12sp
Cassette
SRAM XG-1275-B1 Eagle, 10-52T, 10,12,14,16,18,21,24,28,32,36,42,52
Crank
SRAM GX Eagle DUB, SUPERBOOST+, 170mm, Direct Mount 32t, 56.5mm Chainline, Lunar
Bottom Bracket
73mm Threaded
Chain
SRAM GX Eagle w/Powerlock
Wheels
Rims
168mm
Tires
Front: Maxxis Minion DHF EXO TR, 29x2.5, Rear: Maxxis Minion DHF EXO TR, 27.5x2.3
Cockpit
Stem
Evil 12 Gauge Stem, Length: 35mm
Handlebar
Evil Boomstick 7075 Alloy, Backsweep: 8°, Upsweep: 5° Clamp:35mm, Rise: 35mm, Width: 810mm
Grips
Evil Palmela Handerson lock-on
Headset
Works Components 1 Degree Angleset
Seat
Saddle
WTB Volt Pro
Seatpost
Bike Yoke Revive, S:125mm, M: 160mm, L:185mm XL: 213mm
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.4 mm | 1.36 mm | 1.33 mm | 1.3 mm |
| Bottom Bracket Height | 358 mm | 358 mm | 358 mm | 358 mm |
| Front Center | 785 mm | 806 mm | 832 mm | 857 mm |
| Rake | 38 mm | 38 mm | 38 mm | 38 mm |
| Trail | 131 mm | 131 mm | 131 mm | 131 mm |
| Stack | 628 mm | 637 mm | 649 mm | 659 mm |
| Reach | 450 mm | 467 mm | 487 mm | 507 mm |
| Top Tube Length | 602 mm | 619 mm | 640 mm | 661 mm |
| Seat Tube Angle | 76.9 ° | 76.9 ° | 76.9 ° | 76.9 ° |
| Seat Tube Length | 390 mm | 425 mm | 460 mm | 495 mm |
| Head Tube Angle | 64.2 ° | 64.2 ° | 64.2 ° | 64.2 ° |
| Head Tube Length | 104 mm | 114 mm | 127 mm | 139 mm |
| Chainstay Length | 437 mm | 437 mm | 437 mm | 437 mm |
| Wheelbase | 1222 mm | 1243 mm | 1269 mm | 1294 mm |
| Bottom Bracket Drop | 1 mm | 1 mm | 1 mm | 1 mm |
| Standover Height | 712 mm | 723 mm | 731 mm | 743 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
Model Overview
Insurgent / GX I9 Hydra MX completes the Evil Insurgent model. Evil launched 48 bikes of this model so far. You can easily view all of the Evil Insurgent bikes models from 2021, here.
Model range prices
Evil Insurgent / GX I9 Hydra MX 2021 is the cheapest bike model and costs 5999$. Evil Insurgent / AXS I9 Hydra 2021 is the most expensive one and costs 8299$.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Average price for Enduro bikes
If you want to purchase a solid Enduro bike, it is important to know that the average cost is 3599$. However, even though the average price of an Enduro bike is lower, you might still be able to get a top-quality bike. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
Furthermore, this bike was made available in 2021 for 5999$. In conclusion, this bike price is 66.69% more expensive than the price of the average Enduro bike.
Internal Cable Routing
Moreover, this bike comes with internal cable routing allowing you to keep the cables in a good condition. It also makes it look more professional.
Insurgent / GX I9 Hydra MX components
Fork
The fork installed on this bike is the RockShox ZEB Ultimate model. The travel on this model is 170mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. In short, make sure you choose one with a decent fork when you purchase your dream bike.
Rear Shock
Evil Insurgent / GX I9 Hydra MX bike has the Rockshox Super Deluxe Coil Ultimate model installed, and has a travel of 168mm. Rear shocks improve riding comfort and give you greater control over all terrains. In conclusion, to increase your riding experience, get a bike with a rear shock if possible.
Wheels
When it comes to wheels, the Insurgent / GX I9 Hydra MX bike is equipped with the 29″ aluminum model. These wheels are more forgiving when you go over roots, rocks, bumps, or other obstacles you encounter on your ride. However, if you’re not a tall person, you might find it difficult to adapt to this wheel size.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Insurgent / GX I9 Hydra MX comes with Hydraulic Disc brakes. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, your safety is in good hands.
Sizes
There are 4 sizes available for this model. Rider height can be anywhere between 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, finding one for you shouldn’t be a problem.
Dropper post
A dropper post is included with the Insurgent / GX I9 Hydra MX. A dropper post is a must-have these days if you’re riding anything remotely technical. The main benefit of a dropper post is increased safety while riding. As mentioned above, the lever system allows you to quickly move the saddle out of the way when approaching descents or trail obstacles.
