⟲ 360° — drag meThe facts.
| Brand | Accossato |
|---|---|
| Type | Off-road rear axle blocks without adjusting screw |
| Part number | RTH3 |
| Colours | Black, silver, red |
| Use | Off-road (enduro, motocross) |
| Fitment | Honda CRF450R (2009–2017) |
| Check | Compare with the application list before ordering |
| Road approval | None documented, off-road and competition use |
DescriptionThe whole story▼
A hard crash on a CRF450R rarely leaves the rear end untouched, and axle blocks are among the parts most likely to take a knock when the bike goes down on that side, even if the damage is not obvious until the wheel is out. Accossato's RTH3 replaces the rear axle blocks on the CRF450R built from 2009 to 2017, a pair built to the stock method of chain adjustment, with no adjusting screw worked into the block itself.
Key Features
- Rear axle blocks for the Honda CRF450R, 2009 to 2017
- Accossato code RTH3, one pair, left and right
- No built-in adjusting screw; chain tension is set the stock way
- Black, red or silver
- Same pair also fits the Honda CRF250R and the CRF450RX
- Accossato also lists a chain guide, GCH1, and axle blocks with an adjusting screw, RCH2, for this bike
- No German ABE on file; built for off-road and competition use
Construction and Material Quality
The RTH3 pair takes the place of the stock axle blocks at the swingarm ends, following the same adjustment method Honda designed the bike around rather than adding a screw of its own. Accossato finishes the pair in black, red or silver, a small enough choice that most owners pick whichever shade already sits closest to the rest of the bike. A block that has visibly cracked, bent, or lost its clean edge after an impact is worth replacing as a pair rather than only the one that looks worse, the same as with any other matched wear part.
Checking the Rear End After a Fall
After any crash heavy enough to put the bike on its side, a careful look at the rear axle area is worth the few minutes it takes, because a bent or chipped axle block does not always announce itself the way a snapped lever does. The wheel can still spin, the chain can still turn, and nothing feels obviously wrong on a short test ride, yet a damaged block can leave the axle sitting fractionally off true, which can show up later as a chain that tensions unevenly from one side to the other. Pulling the rear wheel and inspecting both blocks side by side, rather than trusting a glance from outside the swingarm, is the only reliable way to catch the kind of damage that looks minor at first and gets worse with every subsequent ride.
Fitment and Compatibility
Accossato names the CRF450R built between 2009 and 2017 on the RTH3's application list, and the identical pair is also listed for the CRF250R and the CRF450RX, which share the same axle block position. Owners running more than one of these Honda models in the same garage can standardise on a single pair design across the fleet rather than keeping track of several near-identical parts. For this bike itself, Accossato also offers a matching chain guide under its own code, GCH1, and a version of the axle blocks with an adjusting screw built in, RCH2, for riders who want that method instead of the stock one; comparing the exact model year against the application list remains worth doing regardless of which version is chosen.
Road Approval
No German ABE is on file for the RTH3, so Accossato lists the blocks for off-road and competition use rather than for use on public roads.
Scope of Delivery
This listing covers one pair of rear axle blocks, left and right, in the colour you select.
Specifications
- Type: Off-road rear axle blocks without adjusting screw
- Part number: RTH3
- Colours: Black, silver, red
- Use: Off-road (enduro, motocross)
- Fitment: Honda CRF450R (2009–2017)
- 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▼
- Honda CRF450R (2009–2017)
- Honda CRF250R (2009–2017)
- Honda CRF450RX (2017)
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