LighTech TEYA009 track-use chain tensioner for Yamaha YZF-R1 RN65 in anodised black
02 · Data & docs

The facts.

Technical data
BrandLighTech
Part numberTEYA009
MaterialErgal 7075 aluminium alloy, CNC-machined from solid billet
FinishAnodised (black or red)
AdjustmentExternal adjuster screw with laser-engraved alignment scale
Special featureIntegrated brake caliper mount for rearward-shifted configuration
Intended useTrack use
FitmentYamaha YZF-R1/M RN65 (2020–2026)
NoteDrivetrain kit modification required; optional fork kit FTEYA005 sold separately
DescriptionThe whole story

Engineered from a single billet of Ergal 7075 aluminium alloy and CNC-machined to exacting tolerances, the LighTech TEYA009 chain tensioner is a purpose-built track-use component that brings genuine racing-grade construction to the Yamaha YZF-R1 and R1M RN65. Where factory hardware makes compromises, this unit does not.

Key Features

  • Machined from solid Ergal 7075 billet for exceptional rigidity and a weight-to-strength ratio that outperforms standard alloys
  • Integrated brake caliper mount enables a rearward-shifted caliper configuration, perfectly suited to race-spec suspension geometry changes
  • External adjuster screw allows fast, repeatable chain tension adjustment without removing the wheel
  • Laser-engraved scale ensures precise, symmetrical alignment of both sides every time
  • Designed exclusively for track use, where accuracy and reliability under sustained high-load conditions are non-negotiable
  • Available in anodised black or red to suit team livery or personal preference

Construction and Materials

The choice of Ergal 7075 — the same aerospace-grade aluminium used in top-level motorsport components — defines the character of this chain tensioner. CNC-milling from solid billet rather than casting eliminates internal voids and inconsistencies, producing a part with uniform density and predictable behaviour under the cyclic loads of a race environment. The anodised finish adds surface hardness and corrosion resistance without adding meaningful weight.

Performance on Track

Chain tension management is critical on a high-output machine like the R1 in track trim. The TEYA009's external adjustment screw means pit-lane chain checks can be carried out quickly and precisely, without the guesswork that comes from eyeballing marks on a standard adjuster. The laser-engraved scale keeps both sides in perfect alignment, protecting the chain, sprockets and gearbox output shaft from the accelerated wear that misalignment causes.

The integrated brake caliper mount is a thoughtfully engineered feature for riders who have altered their swingarm geometry or are running non-standard rear suspension configurations. By relocating the caliper rearward within the adjusted geometry, brake torque reaction and pedal feel remain consistent regardless of the ride-height or linkage changes made to the chassis.

Important Fitment Notes

Installation of the TEYA009 requires modification of the drivetrain kit (rear sprocket carrier). Please ensure this work is carried out before fitting. The optional fork kit FTEYA005 is available separately and complements this component for a fully optimised track setup.

Fitment and Compatibility

  • Yamaha YZF-R1 RN65 (2020–2026)
  • Yamaha YZF-R1M RN65 (2020–2026)

Specifications

Attribute Detail
Brand LighTech
Part number TEYA009
Material Ergal 7075 aluminium alloy, CNC-machined from solid billet
Finish Anodised (black or red)
Adjustment External adjuster screw with laser-engraved alignment scale
Special feature Integrated brake caliper mount for rearward-shifted configuration
Intended use Track use
Fitment Yamaha YZF-R1/M RN65 (2020–2026)
Note Drivetrain kit modification required; optional fork kit FTEYA005 sold separately
FitmentWhich bikes this fits
  • Yamaha YZF-R1/M RN65 (2020–2026)
07 · Support

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