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Motorbike parts and tools

Transmissions

Gearbox output pinion Renthal Steel Self-Cleaning 259 - 420

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Renthal Steel Self-Cleaning 259 - 420 Gearbox output pinionRef : RT00135A / 1077794002

Recommended retail price:24,46 €?

22,00 ^€

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Description
Compatible motorbikes
Questions and answers

DescriptionRenthal Steel Self-Cleaning 259 - 420 Gearbox output pinion

Product details :

Features

Manufacturer Ref: 259--420-15GP — RENTHAL mud-resistant steel sprocket 259 - 420. Designed for motocross riders and demanding roadster enthusiasts, this Renthal sprocket incorporates competition expertise developed in the USA: precision machining, refined tooth profile, and optimized geometry for mud evacuation. Ideal for maintaining a clean and consistent transmission in muddy terrain or under intensive use.

Material: steel (nickel-chrome-molybdenum alloy) for increased strength
Teeth: 15 teeth — sprocket version 259
Chain pitch: 420
Mud-resistant profile: better debris evacuation for consistent performance
Reduced weight compared to original components, a good balance between efficiency and longevity
Machined to minimize friction and transmit power to the rear wheel

This sprocket is aimed at riders looking to enhance the reliability of their transmission in challenging conditions — motocross, recreational enduro, or small displacement trail/roadster. Compatible with models such as HONDA CRF 50 F (AE04/AE03) and CRF 70 F (DE02). Recommended for competition and sessions where mud and abrasives put the transmission to the test.

Technical information :

Reference

RT00135A / 1077794002

Front sprocket type

259

No transmission chain

420

Pinion version

Mudguard

Number of teeth

15 teeth

Material

Steel

Compatible motorbikes

HONDA14 compatible models

CRF 50 F (AE03) - 2004/2012CRF 50 F (AE04) - 2013/2026CRF 70 F (DE02) - 2004/2012CR 80 R BIG WHEELS 18/21 (HE04) - 1985/1986CR 80 R BIG WHEELS 16/19 (HE04) - 1996/2002CR 80 R STD WHEELS 14/17 (HE04) - 1986/2002CR 85 R STD WHEELS 14/17 (HE07) - 2003/2007CR 85 R BIG WHEELS 16/19 (HE07) - 2003/2007XL 125 S (L125S) - 1980/1983NX 125 (JD12) - 1990/1997CB 125 T TWIN (CB125T) - 1978/1981CG 125 (JC28) - 2002/2005CG 125 M (JC27) - 2001/2001CM 125 C CUSTOM (JC055) - 1982/1995