Öhlins TTX Flow DV Shock Absorber Beta RR 2T 300 Racing (2020–2025)⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part NumberDMX 1305
FitmentBeta RR 2T 300 Racing (2020–2025)
Road ApprovalNot documented by Öhlins
Length474 mm
Stroke131 mm
Recommended Öhlins Oil1304
Product LineTTX Flow DV
Type CodeT46PR1C2W
Country of OriginSweden
DescriptionThe whole story▼

For the Beta RR 2T 300 Racing built 2020–2025, Öhlins specifies DMX 1305. Damping that fades turns a predictable RR 2T 300 Racing into one that has to be ridden around.

Key Features

  • Stroke: 131 mm
  • Öhlins length specification: 474 mm
  • Direct fitment on the Beta RR 2T 300 Racing (2020–2025)

What This Means on the RR 2T 300 Racing

On a supersport machine, front-end feel under braking is what the rider trusts, and damping is what provides it. The 300 cc engine sets how quickly weight transfers, and damping has to be matched to that rather than to a class average. This part number spans model years 2020 to 2025; earlier and later generations take different numbers.

About the TTX Flow DV Range

The reservoir is mounted on the body rather than on a hose, which keeps the unit compact enough for modern MX linkages. Ride height and preload are set with the spring collar; the damper itself is length-fixed for the linkage it was designed around. Öhlins supplies a baseline setting for each part number, established on the machine it is listed against.

Damping Performance

Öhlins specifies 474 mm here, so ride height stays as the factory set it. Fill specification is 1304, which is part of the setting rather than a detail. The damper moves 131 mm from full extension to full compression. The two adjusters do genuinely separate jobs, which is what makes methodical setup possible. Compression and rebound are adjusted independently, so support under load can be set without changing how fast the wheel returns.

Construction and Material Quality

Spring and damper are separate part numbers, so a rate change does not mean a new unit. The unit is rebuildable: seals, shims and oil are catalogue items, not a reason to buy a new one. Every unit is dyno-tested against the curve held for its part number, not sampled from a batch.

Fitment and Compatibility

What follows applies to the Beta RR 2T 300 Racing built 2020–2025, which is the machine DMX 1305 is listed for. Öhlins lists no other machine against this number, so it is not a unit that can be adapted to a neighbouring model. Öhlins notes for this application: 06310- & 06451- spring series. Preload adjuster 15000-02 fits this shock. *Replaces DMX 0305*

Road Approval

Road approval: Öhlins publishes no approval status for this combination. Rather than guess, we say so — ask us before ordering if road use matters to you.

Fitting and Setup Service

Öhlins recommends that its suspension is fitted by an authorised service centre. We are one, and we do the work here: installation, servicing and a proper setup. Ask us and we will include it with the order.

Specifications

  • Brand: Öhlins
  • Part Number: DMX 1305
  • Fitment: Beta RR 2T 300 Racing (2020–2025)
  • Road Approval: Not documented by Öhlins
  • Length: 474 mm
  • Stroke: 131 mm
  • Recommended Öhlins Oil: 1304
  • Product Line: TTX Flow DV
  • Type Code: T46PR1C2W
  • Country of Origin: Sweden
FitmentWhich bikes this fits▼
  • Beta RR 2T 300 Racing (2020–2025)
07 · Support

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08 · Paddock

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