LighTech STEKT203 shock-absorbing frame sliders in black for KTM 390 DUKE – product view⟲ 360° — drag me
850 g
02 · Data & docs

The facts.

Technical data
BrandLighTech
Part numberSTEKT203
TypeShock-absorbing frame slider kit
Upper ringAluminium
Bush and baseMagnesium
DamperTPE, 60 Shore hardness
FinishBlack
Weight850 g
FitmentKTM 390 DUKE (2015 to 2026)
Road approvalNone supplied
DescriptionThe whole story▼

A 390 DUKE is the bike people learn on, and learning involves dropping it. The LighTech STEKT203 puts a 60 Shore TPE element between an aluminium ring and a magnesium base, 850 g for the pair. The 373 cc 390 DUKE carries it on standard fixings, so nothing is drilled.

Key Features

  • 850 g for the complete STEKT203 kit
  • Built as a wear part: on the 390 DUKE you renew the sliding surface, not the mount
  • Magnesium base keeps the overhung mass off the 390 DUKE frame boss
  • TPE shock absorber at 60 Shore in the STEKT203 — firm under load, soft under impact
  • Supplied black on black; STEKT203 rings and dampers in other colours are separate items
  • Covers the 390 DUKE across 10 model years (2017 to 2026)
  • Supplied complete with the hardware the 390 DUKE installation needs

Construction and Material Quality

Aluminium gives the STEKT203 ring the surface hardness a slide demands. Bush and base are magnesium — light where the STEKT203 hangs furthest from the frame. The nylon shell is the sacrificial surface: it scuffs first and costs least to renew.

Why a Damped Slider

Every protector transmits what it does not absorb, and the frame boss is where it lands. LighTech splits the STEKT203 into a hard outer face and a soft inner element. Total weight stays at 850 g despite the three-material build.

In the Workshop

The STEKT203 goes onto the 390 DUKE with the bike on a stand and nothing dismantled. Check the clearance to 390 DUKE bodywork once fitted — spacers are included precisely for that. There is a single STEKT203 finish (Black); nothing to specify when ordering for a 390 DUKE.

Compatibility and Installation

Fitment is the KTM 390 DUKE, 2017 to 2026. Torque the fasteners to the 390 DUKE workshop figures and re-check them after the first ride.

Scope of Delivery

Everything needed to mount the STEKT203 to a 390 DUKE is in the one box. LighTech keeps the STEKT203 in its spare parts programme rather than treating it as disposable.

Approval and Road Use

The STEKT203 is delivered without any type-approval document. The decision on a road-legal 390 DUKE belongs to your inspection body. Clarify it before fitting if the 390 DUKE is road-registered; for track and paddock use the question does not arise.

Specifications

  • Brand: LighTech
  • Part number: STEKT203
  • Type: Shock-absorbing frame slider kit
  • Upper ring: Aluminium
  • Bush and base: Magnesium
  • Damper: TPE, 60 Shore hardness
  • Finish: Black
  • Weight: 850 g
  • Fitment: KTM 390 DUKE (2017 to 2026)
  • Road approval: None supplied
FitmentWhich bikes this fits▼
  • KTM 390 DUKE (2015 to 2026)
07 · Support

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08 · Paddock

Before you go.

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