⟲ 360° — drag meThe facts.
| Brand | Accossato |
|---|---|
| Type | Off-road rear axle blocks without adjusting screw |
| Part number | RTKS1 |
| Colours | Black, silver, green |
| Use | Off-road (enduro, motocross) |
| Fitment | Kawasaki KX450F (2004–2017) |
| Check | Compare with the application list before ordering |
| Road approval | None documented, off-road and competition use |
DescriptionThe whole story▼
Some KX450F owners deliberately avoid adding anything to the bike that was not there from the factory, partly out of habit and partly because a simpler part is one less thing that can go wrong on a bike pushed hard at the limit. Accossato's RTKS1 suits that mindset, replacing the rear axle blocks on the KX450F built between 2004 and 2017 without a built-in adjusting screw on either one.
Key Features
- Rear axle blocks for the Kawasaki KX450F, 2004 to 2017
- Accossato code RTKS1, one pair, left and right
- Chain tension set the stock way, with no built-in adjusting screw
- Green, black or silver
- Same pair also listed for the Kawasaki KX250F
- Accossato's RCKS1 covers the same bike with an adjusting screw, for riders who prefer that method
- No German ABE on file; built for off-road and competition use
Construction and Material Quality
The RTKS1 pair mounts where the stock blocks sat, leaving chain tension to the usual nut and marks on the swingarm rather than changing the method. Green, black or silver make up the finishes, green sitting closest to the bike's own factory colours. A block that has cracked or no longer sits square after a hard landing is worth replacing as a pair.
Keeping the Bike as Simple as Possible
A bike raced regularly tends to accumulate small modifications over time unless an owner actively resists that drift, and plenty of competitive KX450F riders prefer to keep as much of the bike stock as they reasonably can, on the basis that fewer non-standard parts means fewer things to double-check before a race. The RTKS1 fits that philosophy, replacing a worn block with one that works exactly the way the factory part did, rather than introducing a feature that was never part of the bike's original design. For a rider who thinks about the bike this way, that consistency is worth more than the convenience a screw would add.
Fitment and Compatibility
For the KX450F, both the RTKS1 and its screw-equipped counterpart sit on Accossato's list across 2004 through 2017, and the same block turns up again under the KX250F's own listing. Given that the fitment stretches across more than a decade of production, it is worth matching the actual frame against the years quoted rather than ordering on the model name alone.
Road Approval
Accossato lists no German ABE for the RTKS1, so the blocks are intended for off-road and competition use rather than for use on public roads.
Scope of Delivery
Supplied as one pair of rear axle blocks, left and right, in the colour you choose.
Specifications
- Type: Off-road rear axle blocks without adjusting screw
- Part number: RTKS1
- Colours: Black, silver, green
- Use: Off-road (enduro, motocross)
- Fitment: Kawasaki KX450F (2004–2017)
- Check: Compare with the application list before ordering
- Road approval: None documented, off-road and competition use
What's includedEverything in the box▼
- Accossato rear axle blocks
FitmentWhich bikes this fits▼
- Kawasaki KX450F (2004–2017)
- Kawasaki KX250F (2004–2017)
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