K-Tech fork travel indicator 25K-028B for Yamaha YZF-R1 M, 43 mm
02 · Data & docs

The facts.

Technical data
Part Number25K-028B
BrandK-Tech Suspension
TypeFork travel indicator
Inner Diameter43 mm
FitmentYamaha YZF-R1 M (2015–2026)
InstallationMounts with forks installed on the motorcycle
Scope of Delivery1x fork travel indicator
DescriptionThe whole story

Engineered with the precision and purposeful aesthetic that defines K-Tech Suspension's celebrated product range, the 25K-028B fork travel indicator brings genuine race-bred heritage to your Yamaha YZF-R1 M. Designed to mount directly onto the fork leg while the forks remain installed on the bike, this compact tool lets you read consumed fork travel at a glance — giving you the hard data needed to dial in your suspension setup with confidence.

Key Features

  • Reveals actual fork travel used during a session, enabling precise, evidence-based suspension tuning rather than guesswork.
  • Mounts directly onto the fork in its installed position — no wheel removal or workshop strip-down required.
  • Precision-machined 43 mm inner diameter fits the YZF-R1 M fork legs perfectly, ensuring a secure, rattle-free fit.
  • Clean, purposeful K-Tech finish consistent with the brand's long track record in professional and club-level motorsport.
  • Compatible with the full 2015–2026 production run of the Yamaha YZF-R1 M — no adapter or modification needed.

Design, Finish and Heritage

K-Tech Suspension has supplied damper components and suspension tooling to professional race teams across BSB, World Superbike and endurance racing for years. The 25K-028B reflects that lineage: every detail — from the machined bore tolerance to the clean branded finish — is consistent with equipment used in serious competition environments. On the YZF-R1 M, a motorcycle already equipped with Ohlins electronic suspension from the factory, a fork travel indicator like this is the logical complement: it closes the feedback loop between the bike's hardware and the rider's setup decisions. Whether you are chasing a faster lap at a track day or refining your road setup after a spirited mountain pass, knowing how much of your available fork travel you are actually using changes everything.

Performance and Suspension Tuning

A fork travel indicator works by recording the maximum compression point reached during a run. Fit it before heading out, and when you return you can read the residual travel remaining — or confirm that you are running the forks into the bottom of their stroke. That single data point informs spring rate selection, preload adjustment and compression damping decisions in a way that rider feel alone cannot. For the YZF-R1 M, which responds dramatically to even small suspension changes, the 25K-028B turns subjective impressions into measurable reference points.

Fitment and Compatibility

This fork travel indicator is designed specifically for the following model:

  • Yamaha YZF-R1 M — model years 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
  • Fork inner diameter: 43 mm

Not compatible with the standard YZF-R1 (non-M) without confirming fork diameter.

Specifications

Attribute Detail
Part Number 25K-028B
Brand K-Tech Suspension
Type Fork travel indicator
Inner Diameter 43 mm
Fitment Yamaha YZF-R1 M (2015–2026)
Installation Mounts with forks installed on the motorcycle
Scope of Delivery 1x fork travel indicator
What's includedEverything in the box
  • 1x fork travel indicator
FitmentWhich bikes this fits
  • Yamaha YZF-R1 M (2015–2026)
07 · Support

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08 · Paddock

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