Accossato off-road swingarm chain slider GPM1 for KTM 250SX, black colour⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandAccossato
TypeOff-road swingarm chain slider
Part numberGPM1
ColoursBlack, orange, blue
UseOff-road (enduro, motocross)
FitmentKTM 250SX (2011–2016)
CheckCompare with the application list before ordering
Road approvalNone documented, off-road and competition use
DescriptionThe whole story▼

A full motocross season puts more hours of chain contact into a swingarm than most riders realise until they actually look closely at the wear, since practice days, qualifying and the races themselves all add up across a single 250 SX over several months. Accossato builds the GPM1 for the 250 SX from 2011 to 2016, a slider fitted along the swingarm so the chain runs across a part designed to take that wear instead of the swingarm itself.

Key Features

  • Swingarm chain slider for the KTM 250 SX, 2011 to 2016
  • Accossato code GPM1, fitted along the top of the swingarm
  • Chain runs over the slider rather than the bare swingarm
  • Orange, blue or black
  • Also listed for a wide run of Husqvarna four-strokes sharing this swingarm
  • Pairs with Accossato's GCM1 chain guide and GSM1 floating slider for this bike
  • No German ABE on file; for off-road and competition use

Construction and Material Quality

The GPM1 is shaped to the exact stretch of the 250 SX swingarm the chain passes over, rather than cut to a generic length that leaves gaps at either end. Taking on the ongoing contact from the moving chain is the entire reason for fitting it, and Accossato offers the slider in orange, blue or black to match the rest of the bike. Checking the surface for thin patches before the chain starts reaching the metal beneath is worth building into a regular chain-clean routine.

Tracking Wear Across a Full Season

A 250 SX ridden through practice, qualifying and race day most weekends racks up far more hours of chain contact against the swingarm slider than an equivalent amount of casual trail riding would, simply because race weekends are so much more concentrated. Riders chasing a full championship often find the slider needs replacing mid-season rather than once a year, and keeping a spare on the shelf avoids a last-minute scramble the night before a round. Logging roughly how many race weekends a slider has done, rather than guessing from a glance, is a habit that keeps this kind of wear from catching anyone out.

Fitment and Compatibility

The GPM1's listed years for the 250 SX run from 2011 to 2016, a tighter window than the matching chain guide covers on the same bike. The slider also carries over to a group of Husqvarna four-strokes built on the shared platform. Because this fitment window is narrower than some of its companions, checking the frame's actual year against Accossato's list matters, whichever other chain part, the GCM1 guide, the GSM1 floating slider, or either axle block, is being ordered alongside it.

Road Approval

Accossato has no German ABE on file for the GPM1, so the slider is intended for off-road and competition riding rather than for use on public roads.

Scope of Delivery

Supplied as one swingarm chain slider, in the colour selected at checkout.

Specifications

  • Type: Off-road swingarm chain slider
  • Part number: GPM1
  • Colours: Black, orange, blue
  • Use: Off-road (enduro, motocross)
  • Fitment: KTM 250SX (2011–2016)
  • Check: Compare with the application list before ordering
  • Road approval: None documented, off-road and competition use
What's includedEverything in the box▼
  • 1x Accossato swingarm chain slider
FitmentWhich bikes this fits▼
  • KTM 250SX (2011–2016)
  • Husqvarna FC 250 (2014–2015)
  • Husqvarna FC 350 (2014–2016)
  • Husqvarna FC 450 (2014–2015)
  • Husqvarna FE 250 (2014–2015)
  • Husqvarna FE 350 (2014–2016)
  • Husqvarna FE 450 (2014–2016)
  • Husqvarna FE 501 (2014–2016)
  • Husqvarna TC 125 (2014–2015)
  • Husqvarna TC 250 (2014–2016)
  • Husqvarna TE 125 (2014–2016)
  • Husqvarna TE 250 (2014–2016)
  • KTM 125EXC (2012–2016)
  • KTM 125SX (2011–2015)
  • KTM 150SX (2010–2015)
  • KTM 200EXC (2012–2016)
  • KTM 250EXC-F (2012–2016)
  • KTM 250SX-F (2011–2015)
  • KTM 300EXC (2012–2016)
  • KTM 350EXC-F (2012–2016)
  • KTM 350SX-F (2011–2015)
  • KTM 450EXC-F (2012–2016)
  • KTM 500EXC-F (2012–2016)
07 · Support

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08 · Paddock

Before you go.

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