Öhlins TTX Flow DV Shock Absorber Beta RR 4T 350 (2020–2024) – view 3⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part NumberDMX 1304
FitmentBeta RR 4T 350 (2020–2024)
Road ApprovalNot documented by Öhlins
Length474 mm
Stroke131 mm
Recommended Öhlins Oil1304
Product LineTTX Flow DV
Type CodeT46PR1C2W
Country of OriginSweden
DescriptionThe whole story▼

The Beta RR 4T 350 of 2020–2024 has its own Öhlins part number, and this is it: DMX 1304. A factory shock is set for an average rider on an average road, and few riders are either.

Key Features

  • Bolts to the Beta RR 4T 350 (2020–2024) using the standard mounting points
  • 131 mm working stroke
  • Overall length 474 mm as specified by Öhlins for this model

Damping Performance

At 474 mm it matches the standard unit's installed length exactly. The available stroke of 131 mm sets how much wheel travel the shim stack has to control. Damping was developed with 1304 in the unit. Preload is set separately again, and preload is what determines static sag rather than damping. Öhlins publishes a baseline setting for each part number, which is the sensible starting point.

Where This Sits in the Öhlins Line-up

Öhlins supplies a baseline setting for each part number, established on the machine it is listed against. A motocross track feeds the rear damper the same impact twenty times a lap; what matters is whether the twentieth feels like the first, and that is exactly what the pressurised circuits protect. Compression and rebound run as separate, permanently pressurised circuits — the twin-tube principle — so neither can starve the other on a fast series of hits.

How Öhlins Builds It

The damper body is hard-anodised aluminium, which resists both corrosion and the thermal cycling a rear shock lives with. Öhlins sets a baseline for each part number on the machine it was developed on, so it works before anything is adjusted. Service parts stay available for years after a part number leaves the current price list.

Why This Machine Needs It

On a supersport machine, front-end feel under braking is what the rider trusts, and damping is what provides it. The 2020–2024 generation kept the same chassis dimensions throughout, so one Öhlins number serves the whole run. A 350 cc machine of this type sits in a specific weight band, and Öhlins picks the spring rate for that band rather than for the platform.

Fitment and Compatibility

Öhlins part number DMX 1304 is the correct number for the Beta RR 4T 350 as built 2020–2024. Nothing about it is generic — the mounting dimensions alone rule out a different model. Öhlins notes for this application: 06310- & 06451- spring series. Preload adjuster 15000-02 fits this shock. *Replaces DMX 0305*

Road Approval

Road approval: not documented by Öhlins for the Beta RR 4T 350. We do not state an approval we cannot evidence — please confirm the current status with us before ordering if you intend to use the motorcycle on public roads.

Fitting and Setup Service

Öhlins suspension rewards careful fitting. We recommend having the work done by an authorised Öhlins service centre — and we are one ourselves: we fit, service and set up Öhlins components in house. If you would like us to handle the installation, just ask and we will quote it with the order.

Specifications

  • Brand: Öhlins
  • Part Number: DMX 1304
  • Fitment: Beta RR 4T 350 (2020–2024)
  • 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 4T 350 (2020–2024)
07 · Support

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08 · Paddock

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