Accossato rear brake pads AGPP80ST, sintered (st) compound, for KTM 125SX
02 · Data & docs

The facts.

Technical data
Part numberAGPP80ST
CompoundSintered (ST)
Dimensions64 × 42 × 9 mm
MaterialSintered copper friction material with abrasives and carbon
Friction coefficient0.46 average, 0.52 maximum (dyno test to JASO standard)
Density4.50 g/cm³ at 20 °C (+0.10 / −0.05)
Hardness90 HRR (± 10 HRR, Rockwell HRR scale)
Temperature resistance450 °C working, 600 °C maximum peak
Minimum shear strength30 kg/cm²
Contents2 brake pads, one set for one caliper
DescriptionThe whole story▼

A wet track in February tests every part of a KTM 125 SX, including the rear brake, which is used on nearly every corner and every descent. Accossato offers this rear pad for the 125 SX from 2004 to 2026 in the Sintered (ST) compound, which it says keeps a high, constant grip across temperatures and bites well in the wet. It suits riders who train through the cold, wet months.

Key Features

  • Sintered (ST) rear pads for the KTM 125 SX, 2004 to 2026
  • Accossato: constant grip from cold to hot
  • Good bite on a wet disc
  • For winter training and wet tracks
  • Two pads per box for the rear caliper
  • Front pad AGPA29 and discs DK017, DK018, DK259 listed
  • Competition use

Construction and Material Quality

Accossato describes the sintered compound as holding a high, even grip level at low and high temperatures and working well in the wet. For the rear brake of a motocross bike used in winter, that means a pedal that feels the same on the first cold lap as on the last lap of a long moto. The company also claims slow wear and limited fade. It does not publish the composition.

Rear Brake on a Wet Track

On a slippery winter track, the rear brake of a 125 SX is used to control speed on descents and to help the bike turn in tight corners. Water on the disc should not change the feel, and a sintered pad is designed to keep its bite. For deep mud and sand on race day, Accossato's STMX mixture is the specialist option; OR suits dry practice days.

Winter Storage

Between winter sessions, dry the rear caliper and disc after washing, and store the bike somewhere it will not sit in damp air. Check the pads and fluid before the next outing.

Fitment and Compatibility

Accossato lists AGPP80 for the rear of the KTM 125 SX from 2004 to 2026; one box covers the rear caliper. The front pad is AGPA29, and Accossato also names discs DK017, DK018 and DK259 for this model. Clean the pistons, check the disc for grooves and press the pedal until it is firm.

Road Approval

As a pure competition machine, the 125 SX is not built for public roads, and these pads carry no German approval; they are for racing and competition.

Scope of Delivery

Two Sintered (ST) pads for the rear caliper.

Specifications

  • Part number: AGPP80ST
  • Compound: Sintered (ST)
  • Dimensions: 64 × 42 × 9 mm
  • Material: Sintered copper friction material with abrasives and carbon
  • Friction coefficient: 0.46 average, 0.52 maximum (dyno test to JASO standard)
  • Density: 4.50 g/cm³ at 20 °C (+0.10 / −0.05)
  • Hardness: 90 HRR (± 10 HRR, Rockwell HRR scale)
  • Temperature resistance: 450 °C working, 600 °C maximum peak
  • Minimum shear strength: 30 kg/cm²
  • 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 125SX (2004–2026)
  • 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 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)
  • 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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