Accossato off-road chain guide GCM1 for KTM 125SX, black colour⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandAccossato
TypeOff-road chain guide
Part numberGCM1
ColoursBlack, orange, blue
UseOff-road (enduro, motocross)
FitmentKTM 125SX (2011–2020)
CheckCompare with the application list before ordering
Road approvalNone documented, off-road and competition use
DescriptionThe whole story▼

KTM's 125 SX is the brand's small-bore motocross two-stroke, raced hard off the gate and through every lap rather than ridden at the gentler pace of a trail bike. Accossato's GCM1 chain guide, listed for the 125 SX built from 2011 to 2020, mounts ahead of the rear sprocket and keeps the chain tracking true through the hard, repeated acceleration a motocross track demands.

Key Features

  • Chain guide for the KTM 125 SX, 2011 to 2020
  • Accossato code GCM1, mounted ahead of the rear sprocket
  • Keeps the chain tracking true through hard acceleration
  • Available in orange, blue or black
  • Same part also listed for the Husqvarna TE 250, the Husqvarna FE 250 and the KTM 125 EXC
  • Accossato also offers a swingarm slider, a floating slider and both styles of axle block for this bike
  • No German ABE on file; built for off-road and competition riding

Construction and Material Quality

Accossato cuts the GCM1 to the 125 SX's own swingarm profile, rather than a shape meant to suit several bikes, so it sits ahead of the sprocket exactly where this chassis places it. Orange, blue and black change nothing about how the guide works, only how the bike looks. A guide that has taken a hard hit on track and now sits visibly out of position should be removed and checked rather than trusted by eye for the next session.

A Decade of the Same Small-Bore Racer

The 125 SX has stayed broadly the same size and purpose across the years Accossato lists it for the GCM1, a dedicated small-displacement motocross bike rather than something repeatedly redesigned from one season to the next. For a club racer buying a used example without knowing its full history, that stability across model years means the guide is very likely to fit correctly whichever year turns up, rather than needing to track down a specific, short-lived variant. Riders who keep a 125 SX as a second bike alongside something larger also benefit from the long application span, since a guide bought years apart for two different examples of the bike is still the same part.

Fitment and Compatibility

The 2011-to-2020 span Accossato gives for the GCM1 on the 125 SX matches what the application list shows. Elsewhere on that same list, the identical guide turns up against several Husqvarna off-road models built on this platform, the TE 250 and FE 250 among them, as well as the sibling KTM 125 EXC. A rider wanting the whole chain line covered can add the GPM1 or GSM1 slider and either axle block pairing, each listed for this bike too. The usual advice still applies: line the 125 SX's own build year up with Accossato's list before buying.

Road Approval

No German ABE is on file for the GCM1, so Accossato lists it for off-road and competition use rather than for use on public roads.

Scope of Delivery

This listing covers one chain guide, in the colour you choose from the options above.

Specifications

  • Type: Off-road chain guide
  • Part number: GCM1
  • Colours: Black, orange, blue
  • Use: Off-road (enduro, motocross)
  • Fitment: KTM 125SX (2011–2020)
  • 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 chain guide
FitmentWhich bikes this fits▼
  • KTM 125SX (2011–2020)
  • Husqvarna FC 250 (2014–2020)
  • Husqvarna FC 350 (2014–2020)
  • Husqvarna FC 450 (2014–2020)
  • Husqvarna FE 250 (2014–2020)
  • Husqvarna FE 350 (2014–2020)
  • Husqvarna FE 450 (2014–2020)
  • Husqvarna FE 501 (2014–2020)
  • Husqvarna TC 125 (2014–2020)
  • Husqvarna TC 250 (2014–2020)
  • Husqvarna TE 125 (2014–2016)
  • Husqvarna TE 250 (2014–2018)
  • KTM 125EXC (2012–2020)
  • KTM 150SX (2010–2020)
  • KTM 200EXC (2012–2020)
  • KTM 250EXC-F (2012–2020)
  • KTM 250SX (2011–2020)
  • KTM 250SX-F (2011–2020)
  • KTM 350EXC-F (2012–2020)
  • KTM 350SX-F (2011–2020)
  • KTM 450EXC-F (2012–2020)
  • KTM 500EXC-F (2012–2016)
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