Tech Help

Here you will find knowledge, technical informations and reviews about mountain bike suspensions

Suspension Service
1. Service Basics
Fork Service Basics
Fork: Keeping Your Fork in Top Shape
Rear Shock Service Basics
Rear Shock: Keeping Your Rear Shock in Top Shape
Service, Repair or Replace
2. Service Descriptions
Fox 38, 36, 34 and 32
Fox 40
Fox DHX
Fox DHX2
Fox DPS
Fox Float / Float SL
Fox Float DPS / Float SL
Fox Float DPX2
Fox Float X
Fox Float X2
Fox Van RC
Marzocchi Bomber 58
Marzocchi Bomber Air
Marzocchi Bomber CR
Marzocchi Bomber Z1
Öhlins DH38 m.2 / m.1 / Race
Öhlins RXF38 / RXF36
Öhlins TTX1Air
Öhlins TTX22m
Öhlins TTX22m.2
Öhlins TTX22m.2 / TTX22m Conversion
Öhlins TTX2Air
3. Supported Models
Supported Fox Forks
Supported Fox Shocks
Supported Marzocchi Forks
Supported Marzocchi Shocks
Supported Rockshox Forks
Supported Rockshox Shocks
Supported Öhlins Suspensions
4. Service Requirements
Fork Service
Rear Shock Service
Suspension Setup
1. Setup Basics
1. Suspension Setup Basics
2. Air spring pressure and volume spacers
4. Rebound: spring speed control
5. Compression: grip control
6. Coil spring and optimal sag
2. Advanced Setup
1. Service level and performance
2. Compression and Rebound tuning
3. Linear or progressive
4. Leverage Ratios & Progression
5. Leverage Ratio & Progression Calculator
Öhlins
DH38
DH38 m.2 Spare Parts
TTX18 Tuning Information (RXF38 m.2, RXF36 m.2, DH38)
RXF36
Coil Springs: RXF36 Coil (m.2, original / EVO)
Coil Springs: RXF38 m.2 & m.3 Coil
TTX18 Tuning Information (RXF38 m.2, RXF36 m.2, DH38)
RXF38
Coil Springs: RXF38 m.2 & m.3 Coil
RXF38 m.2 Coil: Spare Parts
TTX18 Tuning Information (RXF38 m.2, RXF36 m.2, DH38)
TTX22m
TTX22m Part Numbers (units built in factory)
TTX22m Tech Help
TTX22m.2
TTX22m.2 / TTX22m for Specialized Levo
TTX22m.2 / TTX22m Spring Chart
TTX22m.2 Tech Help
TTX22m.2 / TTX22m
Services on Ohlins TTX22m / TTX22m.2 are not the same everywhere
Valt (Cane Creek) springs on Öhlins shocks
TTX2Air / TTX1Air / TTX Air
TTX2Air/TTX1Air/TTX Air Tech Help
TTX2Air/TTX1Air/TTX Air Tech Help (en anglais)
Fox
Fox 38
Fox 38 with Smashpot coil spring and lockout
Rockshox
Misc Rockshox
Rockshox Part Numbers 2024
Vivid
Vivid Air C1 (2024+) - Parts Numbers
Vivid Coil C1 (2025+) - Part Numbers
Other Suspension Brands
Cane Creek
Cane Creek springs on Öhlins shocks
Vorsprung
Fox 38 with Smashpot coil spring and lockout
Vorsprung Smashpot V1 Tech Help
Vorsprung Smashpot V2 Tech Help
Bike Brands
Lapierre
Öhlins TTX22m for Lapierre GLP2
Orbea
Öhlins TTX22m for Orbea Rise
Propain
Proprain Spindrift + Öhlins TTX22m
Öhlins TTX22m for Propain Tyee
Scott
Scott Nude
Specialized
Specialized Suspensions 2014-2021
TTX22m.2 / TTX22m for Specialized Levo
Trek
Öhlins TTX22m.2 for Trek Slash
Öhlins TTX22m Custom Trek Slash
Online Tools
PMB
Leverage Ratio & Progression Calculator
Öhlins
Öhlins Performance Guide