The facts.
| Part number | AGPA29STMX |
|---|---|
| Compound | Off-road sintered (STMX) |
| Dimensions | 93.9 × 36.5 × 7.6 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 |
DescriptionThe whole story▼
After a night of rain, a clay motocross track becomes a sticky, heavy surface that loads the wheels, the fork legs and the front caliper with mud. For the TM Racing MX 250 four-stroke, which Accossato lists as MX 250 F from 2001 to 2025, the AGPA29 front pad is available in STMX, the maker's compound for off-road riders. It is aimed at racers who cannot choose their weather and still need a front brake that keeps working to the chequered flag.
Key Features
- AGPA29 front pad for TM Racing MX 250 4T, 2001 to 2025
- STMX compound for off-road riders, article AGPA29STMX
- Aimed at clay, mud and dust
- For race days when the weather decides
- Designed for low heating and wear, per Accossato
- OR, ST and EV1 are the alternatives
- One set for the front caliper
Construction and Material Quality
Accossato names STMX as the compound it makes for off-road riders and leaves it at that; we will not speculate about its make-up. What the Turin-area firm says about all its pads still stands: heat is kept down so the bite does not fade, wear is slow and the stopping force is high.
Clay, Mud and a Four-Stroke
A 250 four-stroke in heavy mud behaves differently from a two-stroke. Its engine braking slows the rear wheel as soon as the throttle shuts, which helps on slippery ground, but the rider still depends on the front brake to set up each corner and to hold speed down on greasy descents. When the front wheel throws lumps of clay into the caliper, a pad designed for dirty conditions makes a difference. The Off-road sintered STMX version of AGPA29 is intended for that job on the MX 250 F. When the ground is dry and clean, the OR and ST compounds on the same plate are the alternatives, and EV1 exists for supermoto use.
Cleaning Clay Out
Dried clay sets hard around the pistons. Soak it with water and let it soften before rinsing, rather than scraping, and check afterwards that both pads slide freely in the caliper.
Fitment and Compatibility
In Accossato's list, the AGPA29 plate covers the front brake of TM Racing's four-stroke MX 250 F throughout 2001 to 2025. A motocross front end has one disc and one caliper, so a single box is sufficient. For the rear, look for AGPP106, which starts in 2005. If your MX 250 F is one of the early bikes, confirm the rear brake with the old pads before ordering, as no rear plate is listed before 2005.
Road Approval
We do not have an ABE or test certificate for AGPA29STMX. The pad is sold for off-road competition.
Scope of Delivery
Two STMX front pads for the MX 250 four-stroke.
Specifications
- Part number: AGPA29STMX
- Compound: Off-road sintered (STMX)
- Dimensions: 93.9 × 36.5 × 7.6 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▼
- TM Racing MX 250 4T (2001–2025)
- BMW R NINET (2014–2023)
- BMW R NINET PURE (2017–2023)
- BMW R NINET RACER (2017–2020)
- BMW R NINET SCRAMBLER (2016–2023)
- BMW R12 (2024–2026)
- BMW R12 NINET (2024–2026)
- CFMOTO MT 800 (2022–2026)
- CFMOTO NK 800 (2024–2026)
- Ducati DESERT X (2023–2026)
- Ducati MULTISTRADA 1200 S (2015–2017)
- Ducati MULTISTRADA 1260 (2018–2021)
- Ducati MULTISTRADA 1260 S (2018–2021)
- Ducati MULTISTRADA 1260 S D AIR (2018–2019)
- Ducati MULTISTRADA V4 PIKES PEAK (2022–2026)
- 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 350 (2014–2023)
- Husqvarna FE 450 (2014–2023)
- Husqvarna FE 501 (2014–2023)
- Husqvarna FX 450 (2017–2020)
- Husqvarna NORDEN 901 (2022–2024)
- 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 1050 ADVENTURE (2015–2016)
- KTM 1190 ADVENTURE (2013–2016)
- KTM 125SX (1996–2026)
- KTM 1290 SUPER ADVENTURE (2015–2016)
- KTM 1290 SUPER ADVENTURE R (2017–2020)
- KTM 1290 SUPER ADVENTURE S (2017–2023)
- KTM 1290 SUPER ADVENTURE T (2017–2019)
- KTM 150SX (2009–2022)
- KTM 250EXC-F (2006–2023)
- KTM 250SX (1996–2026)
- KTM 250SX-F (2005–2026)
- KTM 250XC (2006–2022)
- KTM 300EXC (1993–2014, 2018–2023)
- KTM 300XC (2006–2022)
- 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)
- KTM 790 ADVENTURE (2019–2024)
- KTM 790 ADVENTURE R (2019–2020)
- KTM 890 ADVENTURE R (2021–2024)
- KTM 890 ADVENTURE R RALLY (2024)
- KTM 890 SMT (2024)
- Kawasaki KX450 (2024–2026)
- Kawasaki KX450X (2024)
- Moto Guzzi Griso SE 8V 1200 (2007–2019)
- Moto Guzzi NORGE 1200 (2006–2019)
- Moto Guzzi SPORT 8V 1200 (2012–2015)
- Moto Guzzi STELVIO (2009–2019)
- Moto Guzzi V100 MANDELLO (2022–2023)
- Royal Enfield Classic 350 (2023–2025)
- Royal Enfield Classic 500 (2019)
- Royal Enfield HIMALAYAN 411 (2019–2023)
- Royal Enfield METEOR 350 (2021–2025)
- SWM RS 300 R (2015–2020)
- SWM RS 500 R (2015–2020)
- 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)
- TM Racing MX 125 2T (1996–2025)
- TM Racing MX 250 2T (2001–2025)
- TM Racing MX 300 2T (1998–2025)
- TM Racing MX 450 4T (2003–2019)
- Triumph BONNEVILLE BOBBER (2018–2023)
- Triumph BONNEVILLE SPEEDMASTER (2018–2025)
- Triumph BONNEVILLE T120 (2021–2023)
- Triumph BONNEVILLE T120 BLACK (2021–2023)
- Triumph SPEEDMASTER (2018–2025)
- Triumph TIGER 800 XCA (2018)
- Triumph TIGER 800 XCX (2018–2020)
- Triumph TIGER 800 XRT (2018)
- Triumph TIGER 800 XRX (2018)
- Triumph TIGER 800 XRX LOW (2018–2020)
- Yamaha MT 15 MT 155 (2018–2021)
- Yamaha TENERE 700 (2019–2026)
- Yamaha TENERE 700 WORLD RAID (2022–2026)
- Yamaha XT660Z TENERE (2008–2015)
- Zero DS (2024)
- Zero DSR (2023)
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
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Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.