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2026 Forestal

Siryon Diode

A 29″ carbon frame full suspension enduro bike with ultra high-end components.
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Manufacturer Price

€7,751($9,014)
FrameCarbon
SuspensionFull, 170 / 170mm
ForkFox Factory Float 38
ShockFox Float X2 Factory
Wheels29″ Aluminum
Drivetrain1 × 12 Electronic
GroupsetX0 Eagle Transmission
BrakesFormula Cura 4 Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Siryon Diode
Other Enduro 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

Siryon Diode

26 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Price History
Reviews
Loam Wolf
Long Term Review: Forestal Siryon

May 2026 · Robert Johnston

The Forestal Siryon is a capable enduro bike that offers excellent capability in gnarly terrain, yet provides a fun ride on mellower...

Read Review

Pinkbike
Review: 2025 Forestal Siryon - Balanced Handling With Some Practical Pitfalls

Jun 2025 · Seb Stott

The Forestal is well-mannered and versatile on the trail, thanks to its long-travel yet efficient suspension and rounded geometry.

Highs
  • Balanced and intuitive handling

  • Long-travel suspension is forgiving without being inefficient

Lows
  • Seated position is a little too rearward for tall riders and steep climbs

  • Some sub-par spec choices, like the small rear rotor and short-travel dropper.

  • No geometry adjustment or mixed-wheel compatabilty; shock awkward to access, headset-only cable routing

Read Review

Geometry
Specs
Build
Frame

Forestal Alpha Box Carbon Enduro 29" 170 Monocoque construction | Internal Storage | 170mm Travel

Hanger StandardUDH

ColorSeasalt Cerulean

Fork

FOX 38 Factory 170mm 2025, 38 FLOAT | Factory Series | 29" | Travel: 170mm | GRIP X2 | Offset: 44mm | Crown: 58mm | Kabolt X: 15x110 | Gloss Black - Neutral Logo

Travel170mm

Spring TypeAir

Shock

FOX Float X2 Factory Metric 230x65 | Chassis Option: EVOL | LSR, HSR, 2 Pos Lever, LSC, HSC | Neutral Decal | Travel: 170mm

Travel170mm

Headset

Acros Integrated ZS 56 Top | ZS 56 Bottom | Internal cable routing | Stainless steel bearings | Custom top cap

Stem

Forestal Oxydon 45mm ⌀ 31.8mm | 7075 Heavy duty Aluminium

Handlebar

Forestal Oxydon C 780mm ⌀ 31.8mm | Upsweep 4° | Backsweep 6° | Rise 25mm | Toray T700 & T800 Carbon

Saddle

Fizik Aidon Fibre reinforced nylon | S-alloy rails | 230g | 249x145 mm

Seatpost

OneUp V3 ⌀ 31.6mm | Length 150-160mm size S/M | 170-180mm size L, XL

TypeDropper

Grips

Production Privée CR35 Forestal x Production Privée edition | 2-position adjustable (Tour / Race)

Groupset
Rear Derailleur

SRAM X0 AXS T-Type 12 Speed | Direct mount | Long cage | Colour: Black

Crank

SRAM X0 T-Type DUB | Q-Factor 174mm | Length 165mm | 32T | Chainguard included

Shifters

SRAM AXS POD Ultimate Controller 12 Speed | MMX | Colour: Black | POD interchangeable buttons

Cassette

SRAM X0 T-Type XS-1295 10-52T | 12 Speed | XD Drive Body | Colour: Black

Chain

SRAM X0 Eagle T-Type 12 Speed | Powerlock | Colour: Black | T-Type Flattop

Brakes

Formula Cura 4

TypeFormula Cura 4 Hydraulic Disc

Wheels
Rims

Front: Crankbrothers Synthesis Enduro I9 Alloy 29" Hub I9 | 15 x 110mm Boost | Spokes Sapim E-Light | 6-Bolt | Inner Rim 31.5mm | Outter Rim 37.5mm, Rear: Crankbrothers Synthesis Enduro I9 Alloy 29" Hub I9 | 12 x 148mm Boost | Spokes Sapim Strong | XD Drivetrain | 6-Bolt | Inner Rim 29.5mm | Outter Rim 36.5mm

Tires

Front: Schwalbe Albert Gravity Pro 2.50 - UltraSoft Gravity Pro casing | UltraSoft (purple) compound | 29x2.50, Rear: Schwalbe Albert Gravity Pro 2.50 - Soft Gravity Pro casing | Soft (orange) compound | 29x2.50

Rider Notes
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First added April 11

Last updated May 30