Ohlins have teased us with their 38mm stanchion single-crown fork for long enough. Until now, you could only get your hands on one if buying a complete bike from Mondraker, Thok, and other Ohlins OEM partners. Those eMTBs featured the m.1 version of the Ohlins RXF38; now, the Swedish suspension manufacturer are releasing the lighter m.2 version, available to the masses in a 29″ Air Spring version only (for now, at least).

Ohlins RXF38 29″ Enduro Fork

ohlins rxf 38 m.2 air fork 29" wheel

With the advent of the ZEB and FOX 38, beefier, stiffer stanchions on a single-crown fork was the logical next step for Ohlins. They made us wait, though, spec’ing it only on a handful of their closest partners’ eMTBs.

ohlins rxf38 m2 lighter lower leg chassis

The original RXF38 took the 18mm piston TTX18 damper cartridge and three-chamber air spring from the DH38 dual-crown fork, re-tuning it all to fit inside a single-crown platform with improved small bump compliance. The new Ohlins RXF38 m.2 version is very much the same, but with re-engineered lowers that shave a few superfluous grams off the total weight. While the m.1 weighed a claimed 2390g, the new m.2 weighs a claimed 2320g. That’s around 200g lighter than the 36mm stanchion RXF36.

Now an aftermarket product, the Ohlins RXF38 m.2 single-crown fork is available in a 29″ air spring version only, adjustable to 160mm, 170mm and 180mm travel. The three-chamber air spring allows riders to tune the early, mid- and end-stroke support of the fork.

ohlins rxf38 m2 m2 three chamber air spring

Two positive air chambers can be independently pressurized; the primary positive chamber influences the early to mid-stroke support while the secondary chamber (pressurized from the bottom of the fork) deals with end-stroke ramp. Both positive air chambers can take tokens for volume adjustment, too. A large negative air chamber is said to give rise to excellent small bump sensitivity.

ohlins rxf38 m2 low speed compression dial ttx18 damper

ohlins rxf38 m2 15 clicks rebound adjustment ttx18 damper cartridge

The TTX18 damper offers further tuning of the fork’s behaviour as it moves through its travel with 15 clicks of low speed compression and rebound adjustment, three modes of high speed compression, with an additional climb setting for a much firmer ride feel.

phlins rxf39 m.2 floating axle secondary air chamber valve

The floating axle and valve for the secondary positive air chamber of the Ohlins RXF38 m.2

 The Ohlins RXF38 is optimised for a 200mm brake rotor, though it can take a 220mm diameter rotor too. Tire clearance is specified at 29 x 2.6. The 29″ fork is available in 46mm and 51mm offset models, with a Boost (110mm) spaced floating axle that minimizes friction when hub spacings are a little out.

Pricing & Availability

The Ohlins RXF38 m.2 will be available this coming fall, retailing at $1350 USD and €1238 EUR (excluding VAT).

Ohlins.com

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