INNTECK Fusion Dual-Material Steel/Aluminium Rear Sprocket (blue) for TM RACING EN, MX 125, 144, 250, 300, 400 2001-2022

Name: INNTECK Fusion Dual-Material Steel/Aluminium Rear Sprocket (blue) for TM RACING EN, MX 125, 144, 250, 300, 400 2001-2022
Brand: INNTECK
SKU: 23-748
Price: 95.9 EUR
Availability: InStock

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€95.90

Tax Included

Disponible en nuestro proveedor, enviado en 10 a 15 días.

INNTECK Fusion (bleue) dual-material steel and aluminium rear sprocket for TM RACING EN 125, EN 144, EN 250, EN 300, EN 400, MX 125, MX 144, MX 250, MX 300 from 2001 to 2022. Available in 48 Teeth, 49 Teeth, 50 Teeth, 51 Teeth, 52 Teeth.

The INNTECK Fusion (bleue) dual-material steel and aluminium rear sprocket is designed for TM RACING EN 125, EN 144, EN 250, EN 300, EN 400, MX 125, MX 144, MX 250, MX 300 from 2001 to 2022. The rear sprocket is the large sprocket bolted to the rear wheel hub. A dual-material sprocket combines steel teeth, which resist wear, with an aluminium centre that keeps the weight down: you get the service life of steel at a weight close to that of an aluminium sprocket.

Specifications

Brand: INNTECK
Manufacturer part numbers: 23-748-48BL, 23-748-49BL, 23-748-50BL, 23-748-51BL, 23-748-52BL
Steel toothed ring, aluminium centre
Available versions: 48 Teeth: ref. 23-748-48BL; 49 Teeth: ref. 23-748-49BL; 50 Teeth: ref. 23-748-50BL; 51 Teeth: ref. 23-748-51BL; 52 Teeth: ref. 23-748-52BL

Choosing the right number of teeth

For the same bike, go for the number of teeth of your current sprocket (it's often stamped on it). More teeth on the rear sprocket shortens the gearing: more acceleration, lower top speed. Fewer teeth lengthens it. Even one or two teeth make a clear difference; if you change a lot, the chain length may need adjusting.

When to replace it?

Teeth worn to a point or into a hook shape, worn down on one side only.
Chain that lifts away from the sprocket when you pull it rearwards.
Drivetrain noise, jerkiness or a chain that jumps under load.

Check the sprocket every time you service the chain. Always replace the rear sprocket, front sprocket and chain together: a new part running with worn ones wears out very quickly.

Fitting tips

Clean the hub and check that it isn't cracked or distorted.
Fit the sprocket the right way round (markings facing out) and tighten the bolts in a criss-cross pattern to the manufacturer's torque, with medium-strength threadlocker if the manual calls for it.
While you're at it, replace the front sprocket and the chain if they're worn.
Set the chain tension as per the manual, with the wheel aligned, then lube it with a suitable chain lube.
Recheck the bolt tightness and the chain tension after the first ride.

Spare parts and items to plan

Front sprocket : MOTO-MASTER 6103 · MOTO-MASTER 61033111
Drive chain : RENTHAL · RENTHAL 520
Chain lube : LIQUI MOLY 400 ml · SCOTTOILER

Frequently asked questions

What's the advantage over an aluminium sprocket?
The steel teeth last much longer, especially in mud or sand, for barely any extra weight.

Should the chain be replaced at the same time?
Yes, if it's worn: a stretched chain wears out a new sprocket in a few hours.

Compatibility

Check the exact model and year of your bike in the list below before ordering.

BrandINNTECK

Reference 23-748-48BL

In stock5 Items

Specific References

Click on your bike to see all compatible parts.

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INNTECK Fusion Dual-Material Steel/Aluminium Rear Sprocket (blue) for TM RACING EN, MX 125, 144, 250, 300, 400 2001-2022

€95.90

Tax Included


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INNTECK Fusion Dual-Material Steel/Aluminium Rear Sprocket (blue) for TM RACING EN, MX 125, 144, 250, 300, 400 2001-2022

Specifications

Choosing the right number of teeth

When to replace it?

Fitting tips

Spare parts and items to plan

Frequently asked questions

Compatibility

INNTECK Fusion Dual-Material Steel/Aluminium Rear Sprocket (blue) for TM RACING EN, MX 125, 144, 250, 300, 400 2001-2022