Öhlins RXF 38 m.3 Air TTX18 Fork – 29" / 44mm / 170mm

Premium enduro suspension with race-proven damping, precise adjustability and confident big-hit performance.

What Is It?

The Öhlins RXF 38 m.3 Air TTX18 is a high-performance single-crown mountain bike suspension fork designed for aggressive trail riding, enduro racing and e-MTB applications. It combines a stiff 38mm chassis, an adjustable air spring and the TTX18 damping system to deliver responsive handling, improved traction and controlled performance on demanding terrain.

Key Features

TTX18 damping system – Provides controlled suspension performance with independent spring and damper systems.
170mm travel – Handles rough trails, steep descents and demanding enduro terrain.
38mm stanchions – Designed for chassis stiffness and precise steering under load.
Adjustable air spring – Allows riders to tune suspension support and feel to their preferences.
High- and low-speed compression adjustment – Fine-tunes response to different impacts and trail conditions.
Rebound adjustment – Controls how quickly the fork returns after compression.
Floating axle design – Helps minimise friction for smoother suspension action.
e-MTB approved – Suitable for compatible electric mountain bikes.

Specifications

Specification	Details
Brand	Öhlins
Model	RXF 38 m.3 Air TTX18
Product type	Suspension fork
Wheel size	29 inch
Travel	170mm
Offset	44mm
Stanchion diameter	38mm
Spring type	Air
Damping system	TTX18
Axle standard	15 x 110mm Boost
Axle-to-crown length	583mm
Maximum recommended tyre size	29 x 2.6 inch
Compression adjustment	High-speed and low-speed
Rebound adjustment	Yes
Weight	Approx. 2,320g, including bolts and axle
Part number	FGMTB 3817 2510

Specifications sourced from the official Öhlins product listing.

Benefits

Improves control and confidence on steep, technical descents.
Provides adjustability for different rider weights, riding styles and terrain.
Helps maintain traction over rocks, roots and uneven surfaces.
Offers a supportive suspension platform for aggressive trail and enduro riding.
Combines a robust chassis with tunable suspension performance for demanding use.

Best Suited For

Enduro and aggressive trail riders.
Riders tackling technical terrain and high-impact descents.
Compatible 29-inch mountain bikes requiring 170mm of front travel.
Compatible e-MTB builds requiring a high-performance suspension fork.

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