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Chain kit EK CHAIN JT 520MRD7 13/52 - Ultra Light Rear Sprocket

CHRISTMAS OFFER

EK CHAIN JT 520MRD7 13/52 - Ultra Light Rear Sprocket Chain kit

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CHRISTMAS OFFER

EK CHAIN JT 520MRD7 13/52 - Ultra Light Rear Sprocket Chain kitRef : EKC03645A / 3068444

Recommended retail price:142,61 €?

103,02 ^€

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Description
Compatible motorbikes
Questions and answers

DescriptionEK CHAIN JT 520MRD7 13/52 - Ultra Light Rear Sprocket Chain kit

Product details :

Features

EK/JT 520MRD7 Chain Kit 13/52 - Ultra-Light Sprocket
Specifically designed for motocross use, this chain kit combines lightness and robustness to tackle demanding off-road sessions. The gold-treated chain and ultra-light aluminum sprocket reduce unsprung mass while maintaining good resistance to traction and abrasion — qualities sought after on the track as well as during intense enduro outings.

Type: 520 Chain Kit (13-tooth sprocket / 52-tooth sprocket)
Number of Links: 114
Pitch: 520
Color: Gold / Gold (chain and sprocket)
Sprocket Material: Aluminum (ultra-light)
Weight: 1.47 kg for 100 links
Relative Lifespan Index: 450 (reference 100 links)

Designed to minimize friction without sacrificing mechanical integrity, this kit is aimed at owners of demanding motocross machines — particularly the Yamaha WR 250 F (CG16/CG22/CG24) — who are looking for a reliable and lightweight transmission. Ideal for replacing worn equipment before resuming training or competition, it facilitates tension adjustment and routine maintenance. Regular installation and lubrication are recommended to maximize longevity.

Technical information :

Reference

EKC03645A / 3068444

Chain pitch

520

Front sprocket version

Self-cleaning

Type

Ultra-light

Chain color

Gold/Gold

Chain quality

Racing

Ring type

No seal

EK Chain Type

MRD7

Rear Sprocket Material

Aluminium

Tensile Strength (kN)

39.7

Tensile Strength (lbs)

8900

Relative wear life (per 100 links)

450

Complete chain weight

1,67 kg

Weight (kg/100 links)

1,47 kg

Length

114

Use

Off-road

Compatible motorbikes

YAMAHA4 compatible models

WR 250 F (CG11) - 2001/2002WR 250 F (CG16) - 2003/2004WR 250 F (CG22) - 2005/2005WR 250 F (CG24) - 2006/2006

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Chain kit EK CHAIN JT 520MRD7 13/52 - Ultra Light Rear Sprocket

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