Accossato rear brake pads AGPP80 for KTM 450 SMR (2004-2025)
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▼

Every supermoto circuit has its off-road section, and on the KTM 450 SMR the rear caliper collects that dirt lap after lap. Accossato lists its AGPP80 rear pad in the Off-road sintered mixture, code STMX, for the 450 SMR from 2004 to 2025, including the Factory Replica of 2004 to 2007. It is Accossato's compound for off-road riders and suits supermoto racers whose tracks have long or muddy dirt sections, as well as owners who also ride the bike off-road.

Key Features

  • AGPP80 rear pads for the KTM 450 SMR, 2004 to 2025
  • Includes the 450 SMR Factory Replica, 2004 to 2007
  • STMX mixture, SKU AGPP80STMX
  • Accossato's compound for off-road riders
  • Intended for dirt sections, jumps and mud
  • Also sold as OR and ST
  • For competition; no German ABE

Construction and Material Quality

Accossato introduces STMX as its compound for riders who go off-road. The lining is fixed to the standard AGPP80 plate. The Italian company, which won the Enduro World Championship title in 1985, also names long life, controlled heat and strong braking as goals for its pads.

The Off-Road Section

A supermoto lap often includes a jump, a few tight dirt turns and a rough exit back onto the tarmac. In that section the rear brake helps to control the bike on landing and to turn it in loose soil. The rear caliper gets packed with dirt, which then travels onto the asphalt part of the lap. A compound designed for off-road use keeps working in those conditions. For riders whose tracks have long or wet dirt sections, it is a logical choice for the rear.

After racing, rinse the rear caliper gently and let it dry. Inspect the lining and the disc before the next event, and clean the piston before fitting new pads.

Fitment and Compatibility

Model coverage is broad: the SX 450 SMR from 2004 all the way to 2025, plus the limited SX 450 SMR Factory Replica of 2004 to 2007. This STMX set is for the rear caliper only; the front of the SMR takes Accossato's AGPA106, listed from 2013. Discs are available too, as DK018 and DK259. It is worth taking the old pad out and comparing its outline with the new one on the bench before the race weekend.

Road Approval

We have no ABE or German test mark for AGPP80STMX. It is intended for motorsport.

Scope of Delivery

Two STMX rear pads, type AGPP80, a set for one 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 450 SMR (2004–2025)
  • 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 450EXC-F (2004–2023)
  • KTM 450XC-F (2006–2023)
  • KTM 500EXC-F (2012–2024)
  • 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)
07 · Support

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08 · Paddock

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