Accossato fixed rear brake disc DK018 for Husqvarna TC 125 (2014-2021)
02 · Data & docs

The facts.

Technical data
BrandAccossato
TypeFixed brake disc, steel
Part numberDK018
PositionRear
Outer diameter220 mm
Inner diameter110 mm
Thickness4 mm
Wear limitMinimum thickness marked on the disc
FitmentHusqvarna TC 125 (2014–2021)
Road approvalNone documented, track use only
DescriptionThe whole story▼

Motocross riders use the rear brake in a place no road rider would: in the air. A quick tap of the pedal on a Husqvarna TC 125 halfway through a jump stops the rear wheel spinning and brings the front end down. Accossato's DK018 is the rear disc for that brake on the TC 125 from 2014 to 2021, a fixed one-piece disc from the off-road range that the supplier lists as steel, 220 mm across and 4 mm thick.

Key Features

  • Rear brake disc for the Husqvarna TC 125, 2014 to 2021
  • Fixed off-road design in one piece, steel-made per the supplier
  • 220 mm outer diameter with a 110 mm bore
  • Thickness 4 mm, minimum working thickness printed on the disc
  • Interchangeable with the original equipment disc, according to Accossato
  • Sold as one disc
  • No German ABE documented; for motocross tracks

Construction and Material Quality

The DK018 is made in one piece and has no carrier or rivets; the supplier describes it as steel-made. Accossato says its disc know-how comes from Superbike, Moto2 and Moto3, and emphasises tolerances and the weight of its discs, which in its view helps a motorcycle steer. On the disc, the minimum thickness is printed as a clear wear limit. Accossato's warning behind that print is plain: a disc worn too thin can break under extreme stress.

A Tap in the Air

The effect comes from physics. A spinning rear wheel acts like a gyroscope, and stopping it suddenly makes the bike pitch forward. If the TC 125 leaves a jump with the front wheel too high, a short tap on the rear brake lowers the nose before landing. The technique needs a brake that responds instantly and the same way every time, because a tap that bites too hard or too late sets up a nose-heavy landing. A distorted or glazed disc spoils that feel, and so does a pedal set too high or too low for the rider's boot. After fitting a new disc, adjust pedal height and free play to suit, and practise the tap on small jumps first. The rear disc also takes plenty of stones and roost on a motocross track, so check it for knocks and bends after each race day.

Fitment and Compatibility

Accossato lists the TC 125 under this disc twice, for 2014 to 2015 and for 2014 to 2021, which together cover the model years 2014 to 2021. The DK018 replaces the original rear disc, and at the front the DK017 covers the same years.

Road Approval

As a motocross bike, the TC 125 has no place on public roads, and the DK018 carries no German ABE or documented type approval either. It is a part for the track.

Scope of Delivery

The box holds one DK018 rear disc.

Specifications

  • Type: Fixed brake disc, steel
  • Part number: DK018
  • Position: Rear
  • Outer diameter: 220 mm
  • Inner diameter: 110 mm
  • Thickness: 4 mm
  • Replacement: Interchangeable with the original equipment disc
  • Wear limit: Minimum thickness marked on the disc
  • Fitment: Husqvarna TC 125 (2014–2021)
  • Road approval: None documented, track use only
What's includedEverything in the box▼
  • 1x Accossato brake disc
FitmentWhich bikes this fits▼
  • Husqvarna TC 125 (2014–2021)
  • GasGas EC 125 (1998–2015)
  • GasGas EC 250 (2021–2022)
  • GasGas EC 300 (2013–2024)
  • GasGas MC 450F (2021–2024)
  • Husqvarna FC 250 (2014–2024)
  • Husqvarna FC 350 (2014–2024)
  • Husqvarna FC 450 (2014–2024)
  • Husqvarna FE 250 (2014–2024)
  • Husqvarna FE 350 (2014–2024)
  • Husqvarna FE 450 (2014–2022)
  • Husqvarna FE 501 (2014–2024)
  • Husqvarna FS 450 (2015–2024)
  • Husqvarna FX 450 (2017–2021)
  • Husqvarna TC 250 (2014–2022)
  • Husqvarna TE 250 (2014–2018)
  • Husqvarna TE 300 (2014–2026)
  • Husqvarna TX 125 (2017–2019)
  • KTM 125EXC (1990–2017)
  • KTM 125SX (1993–2026)
  • KTM 150SX (2009–2022)
  • KTM 250EXC SIX DAYS (2001–2017)
  • KTM 250EXC-F SIX DAYS (2007–2024)
  • KTM 250SX (1993–2026)
  • KTM 250SX-F (2005–2026)
  • KTM 250XC (2006–2026)
  • KTM 250XC-F (2011–2026)
  • KTM 250XC-W (2008–2026)
  • KTM 300EXC (1994–2026)
  • KTM 300XC (2006–2026)
  • KTM 350EXC-F (2012–2026)
  • KTM 350EXC-F SIX DAYS (2012–2024)
  • KTM 350SX-F (2010–2026)
  • KTM 350XC-F (2011–2021)
  • KTM 450 SMR (2004–2022, 2024–2026)
  • KTM 450EXC-F (2003–2026)
  • KTM 450EXC-F SIX DAYS (2003–2024)
  • KTM 450XC-F (2006–2026)
  • KTM 500EXC-F (2012–2026)
  • KTM 500EXC-F SIX DAYS (2012–2024)
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08 · Paddock

Before you go.

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