K-Tech TRDS-R shock absorber for Kawasaki ZX-6R 636 2013-2026⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandK-Tech
ModelTRDS-R
Part Number261-013-150-010
FitmentKawasaki ZX-6R 636 (2013-2026)
Spring Series59-150
Length340 mm
Stroke60 mm
RCPU Body Diameter45 mm
RCPU Rod Diameter12 mm
DescriptionThe whole story▼

The K-Tech TRDS-R delivers a level of all-day comfort and confidence on track that truly separates it from conventional suspension. Designed for the Kawasaki ZX-6R 636 across the 2013 to 2026 model range, this shock absorber draws on K-Tech's Through-Rod Damping System technology to give riders and technicians a precise, repeatable platform for dialling in the perfect setup — whether you're contesting a full championship season or chasing a personal best at a club event.

Key Features

  • Through-Rod Damping System (TRDS) technology enables highly accurate, individually tailored suspension tuning for improved lap times and sustained rider comfort.
  • The 'R' designation stands for Regulation — purpose-built to comply with current championship cost restrictions while still delivering top-level performance for teams working with limited sponsorship budgets.
  • Compact, reservoir-free design enhances heat dissipation, ensuring consistent damping performance over extended race distances without fade.
  • 18-click compression and 18-click rebound adjustability (recommended starting points) allow fine-grained setup changes between sessions without specialist tooling.
  • Proven at the highest levels of motorsport, including British Superbike and the Isle of Man TT.
  • Supplied with the 59-150 spring series, matched to the ZX-6R 636's geometry and weight distribution.

Performance on Road and Track

Where many budget-conscious race units force a compromise between compliance and control, the TRDS-R refuses to choose. The through-rod architecture keeps the damping circuit exceptionally responsive across the full range of suspension travel, so the shock remains composed both in high-speed compressions and through slow, technical chicanes. Improved thermal management — a direct benefit of eliminating the external reservoir — means the damping character you set on the warmup lap is the same character the shock delivers on the final lap of a long race.

For riders stepping up from a stock unit, the difference is most apparent in how the rear of the bike behaves under hard braking and on the exit of tight corners. The ZX-6R's chassis can finally be worked rather than managed, freeing the rider to focus on line and throttle timing rather than fighting instability.

Fitment & Compatibility

This shock absorber is engineered specifically for the Kawasaki ZX-6R 636 covering model years 2013 through 2026. Installation by an authorised K-Tech Service Centre is recommended to ensure correct setup and to preserve warranty validity.

Specifications

  • Part number: 261-013-150-010
  • Spring series: 59-150
  • Length: 340 mm
  • Stroke: 60 mm
  • Compression clicks: 18 (recommended starting point)
  • Rebound clicks: 18 (recommended starting point)
  • Preload: 12 mm (recommended starting point)
  • RCU adjustment range: 4.00 mm
  • RCPU body diameter: 45 mm
  • RCPU rod diameter: 12 mm
  • Intended use: Race, including British Superbike and Isle of Man TT
FitmentWhich bikes this fits▼
  • Kawasaki ZX-6R 636 (2013–2026)
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