INNTECK Aluminium Rear Sprocket for HUSQVARNA, SHERCO, GAS GAS, BETA, RIEJU and CAGIVA 1989-2027

Name: INNTECK Aluminium Rear Sprocket for HUSQVARNA, SHERCO, GAS GAS, BETA, RIEJU and CAGIVA 1989-2027
Brand: INNTECK
SKU: 25-316
Price: 35.9 EUR
Availability: InStock

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€35.90

Tax Included

Available from our supplier, shipped within 10 to 15 days.

INNTECK aluminium rear sprocket for HUSQVARNA CR, TC, TE, TXC, WR 125, 250, 300, 310, 360, 410, 449, 450, 510, 511, 570, 610, SHERCO 250, 300, SC, SCF, SE, SEF 125, 250, 300, 450, 500, GAS GAS EC, ECF, MC, XC 125, 200, 250, 300, 450, BETA RR 250, 350, 400, 450, 498, 520, 525, CAGIVA WMX 125, 250 and RIEJU MR 250, 300 from 1989 to 2027. Available in 45 Teeth, 46 Teeth, 47 Teeth, 48 Teeth, 49 Teeth, 50 Teeth, 51 Teeth, 52 Teeth, 53 Teeth.

The INNTECK aluminium rear sprocket is designed for HUSQVARNA CR 125, CR 250, TC 250, TC 449, TC 450, TC 510, TC 570, TC 610, TE 250, TE 310, TE 410, TE 449, TE 450, TE 510, TE 511, TE 610, TXC 250, TXC 450, TXC 510, TXC 511, WR 125, WR 250, WR 300, WR 360, SHERCO 250, 300, SC 125, SC 250, SCF 250, SE 125, SE 250, SE 300, SEF 250, SEF 300, SEF 450, SEF 500, GAS GAS EC 125, EC 200, EC 250, EC 300, ECF 250, ECF 450, MC 300, XC 250, XC 300, BETA RR 250, RR 350, RR 400, RR 450, RR 498, RR 520, RR 525, CAGIVA WMX 125, WMX 250 and RIEJU MR 250, MR 300 from 1989 to 2027. Bolted to the rear wheel, the sprocket takes all of the engine's force through the chain. An aluminium sprocket is the lightest option on the market: the suspension works better and the wheel picks up speed more easily, at the cost of faster wear than a steel sprocket.

Specifications

Brand: INNTECK
Manufacturer part numbers: 25-31645M, 25-31646M, 25-31647M, 25-31648M, 25-31649M, 25-31650M, 25-31651M, 25-31652M, 25-31653M
Material: 7075 aluminium (Ergal)
Available versions: 45 Teeth: ref. 25-31645M; 46 Teeth: ref. 25-31646M; 47 Teeth: ref. 25-31647M; 48 Teeth: ref. 25-31648M; 49 Teeth: ref. 25-31649M; 50 Teeth: ref. 25-31650M; 51 Teeth: ref. 25-31651M; 52 Teeth: ref. 25-31652M; 53 Teeth: ref. 25-31653M

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. Aluminium wears faster than steel, especially in sand and mud.

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 : PBR · AFAM
Drive chain : AFAM · RENTHAL
Chain lube : LIQUI MOLY 400 ml · SCOTTOILER

Frequently asked questions

Aluminium or steel?
Aluminium is lighter and works well for motocross and racing. Steel lasts longer: it's the best choice for enduro, sandy terrain or if you put in a lot of hours.

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 25-31645M

In stock5 Items

Specific References

Click on your bike to see all compatible parts.

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INNTECK Aluminium Rear Sprocket for HUSQVARNA, SHERCO, GAS GAS, BETA, RIEJU and CAGIVA 1989-2027

€35.90

Tax Included


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INNTECK Aluminium Rear Sprocket for HUSQVARNA, SHERCO, GAS GAS, BETA, RIEJU and CAGIVA 1989-2027

Specifications

Choosing the right number of teeth

When to replace it?

Fitting tips

Spare parts and items to plan

Frequently asked questions

Compatibility

INNTECK Aluminium Rear Sprocket for HUSQVARNA, SHERCO, GAS GAS, BETA, RIEJU and CAGIVA 1989-2027