Accossato fixed front brake disc DK107 for Honda CRF450RX (2017-2024)
02 · Data & docs

The facts.

Technical data
BrandAccossato
TypeFixed brake disc, steel
Part numberDK107
PositionFront
Outer diameter260 mm
Inner diameter101 mm
Thickness3 mm
Hole circle117 mm
FitmentHonda CRF450RX (2017–2024)
Road approvalNone documented, track use only
DescriptionThe whole story▼

If the front brake of a Honda CRF450RX begins to pulse, the lever pushing back against your fingers once per turn of the wheel, the disc is the first suspect. Rocks, a fall onto the front wheel or a careless moment when loading the van can all bend a thin off-road disc. Accossato's DK107 is a one-piece fixed front disc for the CRF450RX, listed from 2017 to 2024. Its maker calls it steel-made; it is 260 mm across, 3 mm thick and fixed with six 6.5 mm holes on a 117 mm circle.

Key Features

  • One-piece fixed front disc for the Honda CRF450RX, listed 2017 to 2024
  • Steel-made, from Accossato's off-road range
  • 260 mm across, 101 mm centre bore
  • 3 mm thickness
  • Six holes of 6.5 mm on a 117 mm circle
  • Interchangeable with the original equipment disc
  • Minimum working thickness printed on the disc
  • No German ABE on record; competition use

Construction and Material Quality

Being a fixed disc, the DK107 has no floating parts; ring and mounting flange are one piece of steel. Accossato lists its fixing dimensions precisely, a 101 mm centre bore and a 117 mm hole circle, and states that it takes the place of the original disc without changes. The company links its work on discs to road racing in Superbike, Moto2 and Moto3.

A Pulse at the Lever

A pulsing lever has three common causes, and it pays to rule them out in order. First, loose disc bolts or dirt trapped between disc and hub, which make the disc run slightly off true; clean the contact faces and tighten the bolts to Honda's figure. Second, uneven pad deposits, often left by holding the brake on a hot disc; they show up as darker patches and can sometimes be cleared by bedding in fresh pads. Third, a bent disc. Lift the front wheel and turn it slowly while sighting along the gap between the disc and the caliper body. A gap that widens and narrows as the wheel turns points to a bent disc, and trying to straighten steel that has bent is not a sound repair. Since the knock that bent it may have reached the hub and rim as well, give both a look before the wheel goes back in. On a CRF450RX ridden in rocky terrain, this check is worth doing after every hard outing.

Fitment and Compatibility

The DK107 appears in Accossato's list for the CRF450RX, dated 2017 to 2024. The same bike can also take the larger DK263 at the front, according to the list, and the DK012 at the rear. The CRF450RX has one front disc, so one DK107 is needed. Before ordering, compare its 260 mm diameter with the disc you are replacing.

Road Approval

The DK107 is supplied for off-road competition: there is no German ABE for it, and no type approval is documented.

Scope of Delivery

One DK107 front disc, one-piece steel. Pads and fixing bolts are not included.

Specifications

  • Type: Fixed brake disc, steel
  • Part number: DK107
  • Position: Front
  • Outer diameter: 260 mm
  • Inner diameter: 101 mm
  • Thickness: 3 mm
  • Hole circle: 117 mm
  • Mounting holes: 6 x 6.5 mm
  • Replacement: Interchangeable with the original equipment disc
  • Wear limit: Minimum thickness marked on the disc
  • Fitment: Honda CRF450RX (2017–2024)
  • Road approval: None documented, track use only
What's includedEverything in the box▼
  • 1x Accossato brake disc
FitmentWhich bikes this fits▼
  • Honda CRF450RX (2017–2024)
  • Honda CRF250R (2015–2024)
  • Honda CRF250RX (2019–2024)
  • Honda CRF450R (2015–2024)
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