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2021 Forestal

Hydra Halo

A 29″ carbon frame full suspension downhill e-bike with high-end components.
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FrameCarbon
SuspensionFull, 170 / 180mm
ForkRockShox BoXXer Select
ShockRockShox Super Deluxe Coil Select+
Wheels29″ Aluminum
Drivetrain1 × 11
GroupsetGX
MotorForestal 250W 60Nm mid-drive
BatteryForestal 350Wh
BrakesFormula Cura 4 Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Hydra Halo
Other Downhill bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

28 mph

Hydra Halo

26 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
Pinkbike
First Look: Forestal Reveals New 'Hydra' Downhill & 'Cyon' Trail eMTB Designs

Apr 2021 · James Smurthwaite

Forestal adds two new e-bikes to their lineup, including a 170mm DH machine.

Read Review

Geometry
Specs
Build
Frame

Carbon Fiber

Fork

RockShox BoXXer Select, Charger RC, DebonAir, Boost 20x110mm, Maxle Stealth, 46mm offset, external rebound/low-speed compression adjust

Travel180mm

Spring TypeAir

Shock

RockShox Super Deluxe Select+ Coil, Debonair, metric 230x65mm, external rebound/2-position compression, custom tune, Spring rates: 300 lbs (size S), 350 lbs (size M), 400 lbs (size L), 450 lbs (size XL)

Travel170mm

Spring TypeCoil

Headset

Acros Integrated, ZS 56 top / ZS 56 bottom, internal cable routing, stainless steel bearings

Stem

Forestal X PP Direct Mount DH, 31.8mm, 7075 T6 aluminum CNC

Handlebar

Forestal Oxydon C 780mm, 31.8mm diameter, 4° upsweep, 6° backsweep, rise 15mm, Toray T700 and T800 carbon

Saddle

fi'zi:k Aidon X3 E-MTB, fiber reinforced nylon/S-alloy rails, 255 x 145mm

Seatpost

Crankbrothers Highline 7, 125mm length (size S), 150mm length (sizes M-L), 170mm length (size XL), BikeYoke Triggy X remote, custom Forestal with Shiftmix

TypeDropper

Pedals

N/A

Grips

Production Privee CR35, Forestal x Production Privee edition, 2-position adjustable (tour/race)

Groupset
Rear Derailleur

SRAM GX, 11-speed, X-Actuation, long cage

Front Derailleur

N/A

Crank

Praxis Carbon, 170mm Q-factor, ISIS drive, 160mm length (sizes S-M), 165mm length (sizes L-XL)

Shifters

SRAM GX, 11-speed, X-Actuation

Cassette

SRAM PG-1130, 10-42 tooth, 11-speed

Chain

SRAM GX, 11-speed, PowerLock

Chain Guide

Direct mount top guide

Brakes

Formula Cura 4, 4-piston caliper, MixMaster, 203mm 6-bolt rotors

TypeFormula Cura 4 Hydraulic Disc

Brake Levers

Formula Cura 4 Carbon Polish

Wheels
Rims

Crankbrothers Synthesis Alloy DH wheelset, 31.5mm inner width front / 29.5mm inner width rear

Spokes

Crankbrothers Synthesis Alloy DH wheelset, Sapim E-Light front / Sapim Strong rear

Front Hub

Crankbrothers Synthesis Alloy DH wheelset, Synthesis Standard, Boost, 6-bolt, XD driver

Rear Hub

Crankbrothers Synthesis Alloy DH wheelset, Synthesis Standard, Boost, 6-bolt, XD driver

Tires

Front: Panaracer Romero 29" x 2.4" ST 3Comp, super tough, tubeless ready, triple compound, puncture resistant wall, Rear: Panaracer Romero 29" x 2.4" ST 3Comp, super tough, tubeless ready, triple compound, puncture resistant wall

Electric Components
Motor

Forestal EonDrive, 250W, 60Nm, IP67, 1.95kg, 165 x 105 x 147mm

Battery

Forestal Aurora Performance, 52V, integrated, rapid charge, 1.8kg, 350 x 72 x 50.5mm

Remote

Forestal Smart Trigger, 3 buttons, battery and assistance LED indicators, Forestal Smart Dashboard, 3.2" integrated HD transflective touch screen, all-conditions resistant

Display

Forestal Smart Trigger, 3 buttons, battery and assistance LED indicators, Forestal Smart Dashboard, 3.2" integrated HD transflective touch screen, all-conditions resistant

Rider Notes
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First added May 4

Last updated May 4

Not listed for 1,851 days