Accossato rear brake pads AGPP99 for Yamaha XSR 125 (2022-2026)
02 · Data & docs

The facts.

Technical data
Part numberAGPP99ST
CompoundSintered (ST)
Dimensions62 × 40 × 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▼

An XSR 125 used as everyday transport meets rain, cold and road grime all year round. For the Yamaha XSR 125 from 2022 to 2026, Accossato lists its AGPP99 rear pad in the Sintered (ST) compound. It is intended for riders who commute through wet winters, perhaps carry a bag or a passenger, and want the rear brake to respond consistently whether the disc is cold, hot or wet.

Key Features

  • AGPP99 rear pad, Sintered (ST) compound
  • For the Yamaha XSR 125, 2022 to 2026
  • Grip high and steady across temperatures
  • Strong wet grip, per Accossato
  • Suited to all-year commuting
  • One set per box for the rear caliper
  • OR version also offered

Construction and Material Quality

Accossato says the ST compound keeps a high, even grip level at high and low temperatures and performs well in the wet. On a small commuter that never gets a winter break, that consistency is what riders feel through the pedal every day.

Winter Commuting

In winter, the rear wheel of an XSR 125 throws water and salt onto the rear brake constantly. A sintered pad responds promptly on a wet disc, making slow junction stops and gentle speed control easier in poor conditions. On frosty mornings it feels the same as on a mild afternoon. For young riders commuting to school or work through the whole year, that predictability builds confidence. With a passenger or a heavy bag on board, the rear brake takes more load, and a pad that keeps the same feel under that extra weight makes stopping smoother for everyone on the bike.

Care

Rinse road salt from the caliper regularly, check that the pads move freely and look at the disc for corrosion. A clean caliper keeps the rear brake working evenly. At the start of each winter, ask your workshop to check the brake fluid as well, since old fluid absorbs moisture and softens the pedal of even the freshest pads on an XSR 125.

Fitment and Compatibility

Accossato lists AGPP99 for the Yamaha XSR 125 from 2022 to 2026; the front pad is AGPA170. One rear caliper means one box. Clean the pistons before retracting them, check disc thickness and fluid, and pump the pedal until firm. Bed the new pads in with a handful of moderate stops.

Road Approval

No German ABE or test documentation is available to us. The pad is offered for competition use.

Scope of Delivery

Two AGPP99 Sintered (ST) pads for the rear caliper.

Specifications

  • Part number: AGPP99ST
  • Compound: Sintered (ST)
  • Dimensions: 62 × 40 × 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▼
  • Yamaha XSR 125 (2022–2026)
  • Yamaha MT 15 MT 155 (2018–2021)
  • Yamaha MT-125 (2020–2026)
  • Yamaha XT250 (2008–2022)
  • Yamaha YZF-R125 (2019–2024)
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