Accossato front brake pads AGPA184 for Triumph SPEED 400 (2024)
02 · Data & docs

The facts.

Technical data
Part numberAGPA184ST
CompoundSintered (ST)
Dimensions69.4 × 45.4 × 8.7 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▼

Commuting through winter on a Triumph Speed 400 means spray, standing water and cold, grimy discs. For riders who keep going when others park up, Accossato lists the AGPA184 front pad for the 2024 Speed 400 in its Sintered (ST) compound. The idea is simple: a front brake that grips properly when the disc is wet and that keeps the same feel whether the air is freezing or the pads have just worked hard at the bottom of a long hill.

Key Features

  • Sintered (ST) front pads, article AGPA184ST
  • For the Triumph Speed 400, model year 2024
  • Chosen for winter commuting and wet roads
  • Accossato promises high, stable grip hot or cold and in the rain
  • Two pads for the single front caliper
  • Same shape available as OR and EV1

Construction and Material Quality

The ST article is the sintered version of the AGPA184. Accossato says the material holds a high, stable grip level across low and high temperatures and performs well in wet conditions. On the front of a small commuter bike ridden every day, that consistency is reassuring. The company also designs its pads to wear slowly and to keep heat, and with it fade, under control, so the lever stays firm through a long winter.

Spray, Salt and Dark Mornings

In winter the front brake of the Speed 400 is working against water on the disc and grime thrown up by traffic. A sintered compound is chosen because it cuts through a wet film quickly and grips with little delay. Ride with a longer gap to the vehicle in front so that braking can be early and gentle, and use both brakes together. At the weekend, rinse the salt off the caliper with plain water, dry it, and check that the pads still move freely. Corroded pistons are the most common reason for a front brake that drags or feels wooden in spring.

Fitment and Compatibility

Accossato catalogues the AGPA184 for the front brake of the Triumph Speed 400, model year 2024. With one front disc, one box is all the bike needs at the front. The AGPP91 is listed for the rear of the same bike. If your use is mainly dry or includes track days, the AGPA184 is also sold as Organic or EV1.

Road Approval

This sintered pad has no German ABE, and we have not received any document supporting road use. It is sold for circuit and competition riding.

Scope of Delivery

Two AGPA184 front pads in Sintered (ST) compound, packed as one set for the front caliper.

Specifications

  • Part number: AGPA184ST
  • Compound: Sintered (ST)
  • Dimensions: 69.4 × 45.4 × 8.7 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▼
  • Triumph SPEED 400 (2024)
  • Aprilia RS 457 (2024–2025)
  • Aprilia TUONO 457 (2025)
  • BMW G310GS (2017–2026)
  • BMW G310R (2016–2026)
  • Fantic Motor Caballero 500 (2022–2023)
  • Husqvarna SVARTPILEN 125 (2021–2025)
  • Husqvarna SVARTPILEN 401 (2017–2025)
  • Husqvarna VITPILEN 125 (2021–2025)
  • Husqvarna VITPILEN 401 (2017–2025)
  • KTM 125 DUKE (2011–2019)
  • KTM 200 DUKE (2012–2017)
  • KTM 250 DUKE (2014–2015)
  • KTM 390 ADVENTURE (2020–2023)
  • KTM 390 ADVENTURE SW (2023)
  • KTM 390 DUKE (2013–2023)
  • KTM RC 125 (2014–2024)
  • KTM RC 200 (2014–2024)
  • KTM RC 250 (2014–2015)
  • KTM RC 390 (2014–2025)
  • Triumph SCRAMBLER 400X (2024–2026)
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08 · Paddock

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