RENTHAL steel front sprocket 11T, 520 pitch for GAS GAS TXT 250, TXT 280 and VERTIGO NITRO WORKS 125, NITRO WORKS 250 2002-2025

RENTHAL offers this front sprocket for GAS GAS TXT 125, TXT 250, TXT 250 GP, TXT 280, TXT 300 and VERTIGO NITRO WORKS 125, NITRO WORKS 250, NITRO WORKS 280 2002-2025. The front sprocket sits on the gearbox output shaft and passes the engine’s power to the chain, which turns the rear sprocket and the rear wheel.

Why replace the front sprocket?

The benefits:

• An inexpensive part that protects a new chain and rear sprocket.
• Made of steel to withstand much heavier wear than the rear sprocket.
• Changing the number of teeth is the simplest, cheapest way to alter the gearing.

When should you replace the front sprocket?

Dished or hooked teeth: replace it straight away, otherwise it will ruin a new chain within hours.

Specifications and fitting tips

• Chain pitch: 520
• Material: Steel
• Front sprocket teeth count: 11
• Front sprocket version: Standard
• Standard version
• Made from a nickel-chrome-molybdenum alloy: greater strength
• Manufacturer part number: 429--520-11P

Cross-Mania tip: Replace the front sprocket together with the chain and rear sprocket, renew the sprocket nut or circlip and check the output shaft seal.

Also needed with this part

• Rear sprocket : AFAM · MOOSE
• Drive chain : AFAM A520MR2-G 1 · AFAM A520XRR3-G
• Chain lube : LIQUI MOLY 400 ml · MUC OFF 400 ml

Compatibility

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

Fits:
GAS GAS TXT 125 2016
GAS GAS TXT 125 2015
GAS GAS TXT 125 2014
GAS GAS TXT 125 2013
GAS GAS TXT 125 2012
GAS GAS TXT 125 2011
GAS GAS TXT 125 2010
GAS GAS TXT 125 2009
GAS GAS TXT 125 2008
GAS GAS TXT 125 2007
GAS GAS TXT 125 2006
GAS GAS TXT 125 2005
GAS GAS TXT 125 2004
GAS GAS TXT 125 2003
GAS GAS TXT 125 2002
GAS GAS TXT 200 2006
GAS GAS TXT 200 2005
GAS GAS TXT 200 2004
GAS GAS TXT 250 2025
GAS GAS TXT 250 2024
GAS GAS TXT 250 2023
GAS GAS TXT 250 2022
GAS GAS TXT 250 2016
GAS GAS TXT 250 2015
GAS GAS TXT 250 2014
GAS GAS TXT 250 2013
GAS GAS TXT 250 2012
GAS GAS TXT 250 2011
GAS GAS TXT 250 2010
GAS GAS TXT 250 2009
GAS GAS TXT 250 2008
GAS GAS TXT 250 2007
GAS GAS TXT 250 2006
GAS GAS TXT 250 2005
GAS GAS TXT 250 2004
GAS GAS TXT 250 2003
GAS GAS TXT 250 2002
GAS GAS TXT 250 GP 2025
GAS GAS TXT 250 GP 2024
GAS GAS TXT 250 GP 2023
GAS GAS TXT 250 GP 2022
GAS GAS TXT 280 2025
GAS GAS TXT 280 2024
GAS GAS TXT 280 2023
GAS GAS TXT 280 2022
GAS GAS TXT 280 2016
GAS GAS TXT 280 2015
GAS GAS TXT 280 2014
GAS GAS TXT 280 2013
GAS GAS TXT 280 2012
GAS GAS TXT 280 2011
GAS GAS TXT 280 2010
GAS GAS TXT 280 2009
GAS GAS TXT 280 2008
GAS GAS TXT 280 2007
GAS GAS TXT 280 2006
GAS GAS TXT 280 2005
GAS GAS TXT 280 2004
GAS GAS TXT 280 2003
GAS GAS TXT 280 2002
GAS GAS TXT 280 GP 2022
GAS GAS TXT 300 2025
GAS GAS TXT 300 2024
GAS GAS TXT 300 2023
GAS GAS TXT 300 2022
GAS GAS TXT 300 2016
GAS GAS TXT 300 2015
GAS GAS TXT 300 2014
GAS GAS TXT 300 2013
GAS GAS TXT 300 2012
GAS GAS TXT 300 2011
GAS GAS TXT 300 2010
GAS GAS TXT 300 2009
GAS GAS TXT 300 2008
GAS GAS TXT 300 2007
GAS GAS TXT 300 2006
GAS GAS TXT 300 2005
GAS GAS TXT 300 2004
GAS GAS TXT 300 GP 2025
GAS GAS TXT 300 GP 2024
GAS GAS TXT 300 GP 2023
GAS GAS TXT 300 GP 2022
GAS GAS TXT PRO 280 ROJA 2009
VERTIGO NITRO WORKS 125 2024
VERTIGO NITRO WORKS 250 2024
VERTIGO NITRO WORKS 280 2024