Accossato rear brake pads AGPP80 for KTM 500EXC-F (2012-2024)
02 · Data & docs

The facts.

Technical data
Part numberAGPP80STMX
CompoundOff-road sintered (STMX)
Dimensions64 × 42 × 9 mm
MaterialSintered copper friction material with abrasives and carbon, for off-road use
Friction coefficient0.65 average (0.58 minimum, 0.72 maximum), JASO regulation
Density4.50 g/cm³ at 20 °C (+0.10 / −0.05)
Temperature resistance450 °C working, 600 °C maximum
Contents2 brake pads, one set for one caliper
DescriptionThe whole story▼

Accossato offers this rear pad for the KTM 500EXC-F, 2012 to 2024, in STMX, its Off-road sintered compound. The brand calls it its compound for off-road riders. Enduro racing on a 500 puts huge demands on the rear brake: it drags through deep ruts, gets packed with clay and runs hot on long special tests. STMX is made for riders who compete on their 500EXC-F, from club enduros to extreme events and cross-country rallies, and want a rear pad that shares their taste for dirt.

Key Features

  • STMX compound for the KTM 500EXC-F rear brake
  • Fits the 500EXC-F from 2012 to 2024
  • Accossato's mix made for off-road riders
  • For deep ruts, clay, dust and water
  • Designed to fight fading on long special tests
  • Two pads per box for the single rear caliper
  • The rear pad is also available as OR and ST

Construction and Material Quality

Accossato made STMX specifically for off-road riding. Its pads aim for strong braking, slow wear and limited heat, and this rear version applies that to the 500EXC-F. The friction material is fixed to a steel back plate shaped for the KTM rear caliper.

The Rear Brake in Competition

In an enduro, the rear brake is the tool that keeps a heavy four-stroke tidy through technical sections: dabbed to square off a hairpin, dragged to keep traction down a loose descent, held on to stop the bike in a queue at a hard climb. STMX gives a rear brake built for that punishment. Trail riders who rarely race will find OR kinder to the disc, and ST suits all-weather mixed riding.

Looking After the Caliper

Mud behind the pads speeds up wear and can seize the pad guides. After racing, remove the pads, wash out the caliper and apply only the correct grease where the manufacturer intends it, never on the friction surfaces. Then refit, pump the pedal and bed in again.

Fitment and Compatibility

These STMX pads fit the rear caliper of the KTM 500EXC-F from 2012 to 2024, per Accossato's reference EXC-F 500 (2012-2024). One box renews the rear. Accossato lists AGPA29 for the front of the bike and the DK017, DK018 and DK259 discs for the 500EXC-F.

Road Approval

We have no German ABE or test certificate for this pad and list it for competition use only.

Scope of Delivery

Two STMX rear pads for the KTM 500EXC-F in one box, a set for the rear caliper.

Specifications

  • Part number: AGPP80STMX
  • Compound: Off-road sintered (STMX)
  • Dimensions: 64 × 42 × 9 mm
  • Material: Sintered copper friction material with abrasives and carbon, for off-road use
  • Friction coefficient: 0.65 average (0.58 minimum, 0.72 maximum), JASO regulation
  • Density: 4.50 g/cm³ at 20 °C (+0.10 / −0.05)
  • Temperature resistance: 450 °C working, 600 °C maximum
  • Contents: 2 brake pads, one set for one caliper
What's includedEverything in the box▼
  • 1x Accossato brake pad set (2 pads)
DownloadsData sheet▼
FitmentWhich bikes this fits▼
  • KTM 500EXC-F (2012–2024)
  • GasGas EC 250 (2021–2023)
  • GasGas EC 300 (2021–2023)
  • GasGas MC 250 (2021–2026)
  • GasGas MC 250F (2021–2026)
  • GasGas MC 450F (2021–2026)
  • Husqvarna FC 250 (2014–2026)
  • Husqvarna FC 350 (2014–2026)
  • Husqvarna FC 450 (2014–2026)
  • Husqvarna FE 250 (2014–2023)
  • Husqvarna FE 450 (2014–2023)
  • Husqvarna FE 501 (2014–2023)
  • Husqvarna FS 450 (2015–2022)
  • Husqvarna FX 450 (2017–2020)
  • Husqvarna TC 125 (2014–2026)
  • Husqvarna TC 250 (2014–2022)
  • Husqvarna TE 125 (2014–2016)
  • Husqvarna TE 250 (2014–2018)
  • Husqvarna TE 300 (2014–2023)
  • Husqvarna TX 125 (2017–2019)
  • KTM 125SX (2004–2026)
  • KTM 150SX (2009–2022)
  • KTM 250EXC-F (2006–2023)
  • KTM 250SX (2003–2026)
  • KTM 250SX-F (2005–2026)
  • KTM 300EXC (2004–2008, 2018–2023)
  • KTM 350EXC-F (2012–2023)
  • KTM 350SX-F (2011–2026)
  • KTM 450 SMR (2004–2025)
  • KTM 450EXC-F (2004–2023)
  • KTM 450XC-F (2006–2023)
  • SWM RS 300 R (2015–2020)
  • SWM RS 500 R (2015–2020)
  • SWM SM 500 R (2018–2020)
  • Sherco SE 125 (2017–2019)
  • Sherco SE 300 (2014–2019)
  • Sherco SEF 250 (2014–2019)
  • Sherco SEF 300 (2014–2019)
  • Sherco SEF 450 (2014–2019)
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08 · Paddock

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