Honda CRF250R/X 520 120 Link X-ring Chrome Chain

How to Install a Chain Master Link

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The Chrome X-ring Motorbike Chain from CZ Chain of Europe – For most riders choosing this CZ X-ring ECX motorcycle chain makes a lot of sense – the hardest-wearing and best sealed off road chain on the market, at a great price that is rated to a very impressive 800cc. X-ring motorcycle chains are excellent in dusty, wet, muddy and grimy conditions. The "X" ring seals ensure dirt, sand and mud are kept out of the chain links and chain rollers. The "X" ring design also contains a special lubricant inside the chain joints to ensure maximum wear life and excellent performance.

Tests show that the CZ X-Ring sealed chain can last over 2 times longer than a sealed O-ring chain and up to 3-4 times the life of a non-sealed chain.

For chain specifications click "Specs" tab above.

Note: This is one of the highest rated 520 chains available (800cc), due to this it will have longer life and very low stretch rate. Great chain for high power bikes, we highly recommend this chain for high torque bikes such as the FE 501. If you want a chain for a 450cc that will have a higher life than other chains on the market is the one.

Specially designed to work perfect on all brands and any material of front and rear sprockets.
ECX 520 Sealed X ring chain
Colour: Chrome
Resistant to corrosion
CZ Motorbike Chain proudly made in Europe for more than 80 years.
Chain 120 links - Can be cut to length.
520 chain pitch.
Rated up to 800cc or 37,800 kN strength break.
Supplied with chain joining link.
Note: This is a slightly wider chain and heavy duty so check specs tab above. A sprocket spacer is supplied with this chain for the CRF's

(CZ520ECX105)

Chain	Pitch (mm)	Inner width (mm)	Roller diameter (mm)	Pin length (mm)	Plate thickness inner/outer (mm)	Middle static strenght (N)	Weight of 100 links (kg)	Connecting link	Type of sealing ring	Plates colour outer-inner
520 DZX (ECX)	15.875	6.35	10.2	20.9	2.2/2.2	37800	1.78	RIVET (CLIP)	Active-ring	silver-black
520 ORH	15.875	6.35	10.16	20.9	2.2/2.2	35800	1.63	CLIP (RIVET)	Active-ring	yellow-black
520 ORMX	15.875	6.35	10.16	20.4	2.2/2	34500	1.59	CLIP (RIVET)	Active-ring	gold-black
525 DZX	15.875	7.94	10.3	22.8	2.4/2.2	40000	1.98	RIVET	Active-ring	silver-black