Plastics
airbox and airbox covers
NUMBER PLATE
HANDGUARDS 
LOVER FORK COVERS
RADIATOR covers
COver sporcet and repacking
SWINGARM PROTECTION
INGNITION and CLUTCH COVER
TANK COVER
MUD FLAP
SKID PLATE
DISC COVER
FRAME PROTECTOR
EXHAUST PROTECTION
HEADLIGHT MASK
TANK
SIDE PANELS
FRONT FENDER
SEAT
RADIATOR SCOOPS
PLASTIC SCREWS
CHAIN GUIDE
REAR FENDER
filters
AIRBOX COVER
OIL FILTER
DUST FILTER
ENGINE PARTS
SEALS
CYLINDER HEAD
CARBURETOR
CRANKSHAFT
FRICTION PLATES
oil plug
PISTON KIT
TIMING CHAIN
CLUTCH AND ACCESSORIES
SPARK PLUG 
engine covers
CHASSIS PARTS
brake pump and brake lever
BRAKE PADS
BRAKE DISC AND BOLTS
BRAKE PEDAL
brake hose
Radiators, radiator covers and reinforcements for motorcycle radiators
wheels and spoke
TPS sensor cover
SWINGARM
CABLE
tank parts
LEVERS AND PERCH
THROTTLE TUBE
simerings
SHIFT LEVER
SPROCKET AND SCREW
FRONT SPROCKET
STEERING
LINKAGE KIT
LIFT CONTROLS
FOOTPEGS
SHOCK ABSORBERS
EXHAUST
Parts cheap
helmets
full face
modular
adventure
open
junior
retro
accessories
goggles
GLASS, TEARS OFF...
PROTECTION
Chest
neck
kidney belt
elbow
knee
back
junior
BOOTS
travel
ankle boots
touring enduro
junior
soles and more
galosh
on a scooter
jersey
JUNIOR
jaket
enduro
women
reflective
pants
enduro
TEXTILIE 
jeans
summer
tracksuit
gloves
winter
summer
waterproof
T-SHIRTS
SOCKS
WATERPOOF GEAR
CAP
HAT
SWEATSHIRT
shorts
SOFT PANTS
vest
Accessories for bikers
hood
belts
GRAPHICKITS, NUMBERS
HANDGUARDS
COMPLET THROTTLE
TRANSPORT
TOOLS
TIRE IRON 
CHAIN BREAKER
Preparations for shock absorbers
Preparations for wheels
Preparations for bearings
OTHER MOTO TOOLS
OIL, CLEANER
EXTRA TANKS
TANK CAP
Fuel filters 
GRIPS
CHAIN, CHAINROLLER
HANDLEBAR
STAND
HEADLIGHTS
DRINK BAG
MOTO LUGGAGE
BACPACK
WAIST PACK
TUNING ACCESSORIES
TOYS, CAMERA
CLAMPS, ROD, HOLDERS
for exhaust
CYLINDER COVER
OTHER ACCESSORIES
SUPERMOTO FENDER
UNIVERSAL FENDER
FORK COVERS
GAS CAN, LIQUID BREAKERS
Carpets under the motorcycle
MOTORBIKE COVER
HOURMETER
MUD FLAP
TENT
SCREWS
CARBURETOR-JET 
PIT BOARD, MARKER
MX TIRE
ENDURO TIRE
ROAD TIRE
MOUSSE
TUBE
MTB JERSEY
MTB PANTS
bike bags
cyclo kidney
MTB ACCESSORIES
HELMETS SALEChain ČZ 520 MX
Manufacturer: ČZ
SKU: CZ*520MX
The ideal chain for racing, its technical design with CRK coating on the chain pins can handle even extreme demands. World motocross champions race wi Show all
In stock 8 pieces
The ideal chain for racing, its technical design with CRK coating on the chain pins can handle even extreme demands. World motocross champions race with this chain. It is not suitable for use on the road.
ČZ 520 MX chain 118 links, gold, tensile strength 35800 N, weight 1.78 kg
Pitch 15.875mm Internal width 6.35mm Pin length 18.10 Roller diameter 10.16mm Plate thickness internal 2.2mm external 2.0mm Average static strength 35800 N Weight 1.51 kg Color gold-black
ČZ chains for demanding sports such as motocross are characterized by high resistance in dusty and muddy traffic. The ČZ company uses its own CRK technology for these chains, which consists in applying very hard chromium carbides to the surface of the pins. The hardness of these carbides is up to twice as high as that which can be achieved with hardened steel. The pins are refined by heat treatment to high strength in order to resist wear and tensile shocks during operation. The presence of chromium also guarantees resistance to corrosion of the pin surface.
• tradition of manufacturing motorcycle chains since 1933
• complete production of chains and all their parts only in Strakonice in the Czech Republic
• quality verified by deliveries to the assembly lines of world motorcycle companies
1) State-of-the-art technology and machinery including trained employees. Production operations are performed by automatic machines with minimal human intervention. Control systems implemented in technological processes to exclude production errors and incorporated into the requirements of ISO/TS standards.
2) It goes without saying that we only use quality and tested materials from European suppliers.
3) Development of chains with own test rooms and laboratories supported by cooperation with world racing motorcycle teams
APRILIA TUAREG 660
2022
2023
2024
Beta RR 125 2T
2018
2019
2020
2021
2022
2023
Beta RR 125 2T RC
2020
2021
2022
2023
Beta RR 200 2T
2019
2020
2022
2023
Beta RR 250 2T
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2022
2023
Beta RR 250 2T RC
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Beta RR 250 2T X-TRAINER
2018
2019
2020
2021
2022
2023
Beta RR 300 2T
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Beta RR 300 2T RC
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Beta RR 300 2T X-TRAINER
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Beta RR 350 4T
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Beta RR 350 4T RC
2020
2021
2022
2023
Beta RR 390 4T
2012
2013
2014
2015
2016
2017
2018
2019
2020
2022
2023
Beta RR 390 4T RC
2020
2021
2022
2023
Beta RR 430 4T
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Beta RR 430 4T RC
2020
2021
2022
2023
Beta RR 450 4T
2018
2019
2020
2021
2022
2023
Beta RR 480 4T
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Beta RR 480 4T RC
2020
2021
2022
2023
Beta RR 498 4T
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
FANTIC XE 125
2021
2022
2023
2024
FANTIC XE 300
2024
FANTIC XEF 250
2021
2022
2023
2024
FANTIC XEF 450
2021
2022
2023
2024
FANTIC XX 125
2021
2022
2023
2024
FANTIC XX 250
2021
2022
2023
2024
FANTIC XXF 250
2021
2022
2023
2024
FANTIC XXF 450
2021
2022
2023
2024
Gas Gas 700 ES
2022
2023
Gas Gas EC 125
2025
Gas Gas EC 200
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
Gas Gas EC 250 F
2010
2011
2012
2013
2014
2015
2021
2022
2023
2024
Gas Gas EC 250/300
2005 a starší
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
Gas Gas EC 300 F
2013
2014
2015
Gas Gas EC 350 F
2021
2022
2023
2024
Gas Gas EC 450 F
2007
2008
2009
2010
2011
2012
2013
2014
2015
2024
Gas Gas EX 250 F
2021
2022
2023
2024
Gas Gas EX 300
2021
2022
2023
2024
Gas Gas EX 350 F
2021
2022
2023
2024
Gas Gas EX 450 F
2021
2022
2023
2024
Gas Gas MC 125
2005 a starší
2007
2008
2009
2010
2011
2021
2022
2023
2024
2025
Gas Gas MC 150
2025
Gas Gas MC 250
2022
2023
2024
2025
Gas Gas MC 250 F
2005
2007
2008
2009
2010
2011
2021
2022
2023
2024
2025
Gas Gas MC 350 F
2022
2023
2024
2025
Gas Gas MC 450 F
2021
2022
2023
2024
2025
Gas Gas XC 250/300
2018
2019
Honda CR 125 R
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
Honda CR 250 R
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
Honda CR 500 R
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
Honda CRF 150 R
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
Honda CRF 250 L
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
Honda CRF 250 R
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Honda CRF 250 RX
2019
2020
2021
2022
Honda CRF 250 X
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
Honda CRF 300 L
2021
2022
2023
2024
Honda CRF 450 L
2019
2020
2021
2022
Honda CRF 450 R
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Honda CRF 450 RX
2017
2018
2019
2020
2021
2022
2023
2024
Honda CRF 450 X
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
Honda TRANSALP XL 750
2023
2024
2025
Honda XR 250 R
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
Honda XR 400 R
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
Honda XR 650 R
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
HUSABERG FE 250
2013
2014
HUSABERG FE 350
2013
2014
HUSABERG FE 450
2013
2014
HUSABERG TE 125
2008
2009
2010
2011
2012
2013
2014
HUSABERG TE 250
2011
2012
2013
2014
HUSABERG TE 300
2011
2012
2013
2014
Husqvarna 701 ENDURO
2016
2017
2018
2019
2020
2021
2022
2023
2024
Husqvarna CR 125
2009
2010
2011
2012
2013
Husqvarna FC 250/350
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Husqvarna FC 450
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Husqvarna FE 250/350
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Husqvarna FE 450/501
2002 a starší
2003
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Husqvarna TC 125
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Husqvarna TC 150
2025
Husqvarna TC 250
2008
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Husqvarna TE 125
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2025
Husqvarna TE 150
2017
2018
2019
2020
2021
2022
2023
2024
2025
Husqvarna TE 250/300
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
KAWASAKI KLX 300
2002 a starší
2003
2004
2005
2006
2007
2008
2009
KAWASAKI KLX 400
2002 a starší
2003
2004
2005
2006
2007
2008
2009
KAWASAKI KLX 450
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
KAWASAKI KLX 650
2002 a starší
KAWASAKI KX-F 250
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
KAWASAKI KX-F 450
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
KAWASAKI KX 125
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
KAWASAKI KX 250
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
KAWASAKI KX 500
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
KTM 125 EXC
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
KTM 125 SX
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
KTM 125 XC
2020
2021
2022
2023
2024
2025
KTM 125 XCW
2017
2018
2019
2020
2021
2022
2023
2024
2025
KTM 144 SX
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
KTM 150 EXC
2024
2025
KTM 150 EXC TBI
2024
2025
KTM 150 SX
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2024
2025
KTM 150 XCW
2024
2025
KTM 150 XCW TBI
2024
2025
KTM 200 EXC
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
KTM 200 SX
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
KTM 250 EXC-F
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
KTM 250 EXC
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2022
2023
2024
2025
KTM 250 EXC TBI
2024
2025
KTM 250 EXC TPI
2018
2019
2020
2021
2022
2023
KTM 250 SX-F
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
KTM 250 SX
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
KTM 250 XC
2019
2020
2021
2022
2024
2025
KTM 250 XCF
2019
2020
2021
2022
2023
2024
2025
KTM 250 XCW
2019
2020
2021
2022
2023
2024
2025
KTM 250 XCW TBI
2024
2025
KTM 300 EXC
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
KTM 300 EXC TBI
2024
2025
KTM 300 EXC TPI
2018
2019
2020
2021
2022
2023
KTM 300 SX 2T
2023
2024
2025
KTM 300 XC
2024
2025
KTM 300 XCW
2019
2020
2021
2022
2023
2024
2025
KTM 300 XCW TBI
2024
2025
KTM 350 EXC-F
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
KTM 350 SX-F
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
KTM 350 XCF
2019
2020
2021
2022
2023
2024
2025
KTM 350 XCF W
2020
2021
2022
2023
2024
2025
KTM 400 EXC-F
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
KTM 450 EXC-F
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
KTM 450 SX-F
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
KTM 450 XCF-W
2023
2024
2025
KTM 450 XCF
2019
2020
2021
2022
2023
2024
2025
KTM 500 EXC-F
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
KTM 500 XCF W
2020
2021
2022
2023
2024
2025
KTM 505 SX-F
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
KTM 525 EXC-F
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
KTM 525 SX-F
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
KTM 530 EXC-F
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
Sherco SC-F 250/300
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Sherco SC-F 450
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Sherco SC 250/300
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Sherco SE-F 250/300
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Sherco SE-F 450
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Sherco SE 250/300
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
STARK FUTURE STARK VARG
2024
Suzuki DR 350
2002 a starší
Suzuki DR 650
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Suzuki DRZ 400
2002 a starší
2003
Suzuki DRZ 400E
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
Suzuki DRZ 400S
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
Suzuki DRZ 400SM
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
Suzuki RM-Z 250
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Suzuki RM-Z 450
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2022
2023
2024
2025
Suzuki RM 125
2002 a starší
2003
2004
2005
2006
2007
2008
2009
Suzuki RM 250
2002 a starší
2003
2004
2005
2006
2007
2008
2009
TM EN 125
2019
2020
2021
2022
2023
2024
TM EN 144
2019
2020
2021
2022
2023
2024
TM EN 250 Fi ES TWIN 4T
2019
2020
2021
2022
2023
2024
TM EN 300 Fi ES TWIN 4T
2019
2020
2021
2022
2023
2024
TM EN 450 Fi ES 4T
2019
2020
2021
2022
2023
2024
TM MX 144
2019
2020
2021
2022
2023
2024
TM MX 250 ES 2T
2019
2020
2021
2022
2023
2024
TM MX 250 Fi 4T TWIN
2019
2020
2021
2022
2023
2024
TM MX 300 ES 2T
2019
2020
2021
2022
2023
2024
TM MX 300 Fi 4T TWIN
2019
2020
2021
2022
2023
2024
TM MX 450 Fi 4T
2019
2020
2021
2022
2023
2024
Yamaha WR 125 2T
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Yamaha WR 250 2T
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
Yamaha WRF 250
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Yamaha WRF 400
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
Yamaha WRF 426
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
Yamaha WRF 450
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Yamaha YZ 125
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Yamaha YZ 250
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Yamaha YZ 250 FX
2021
2022
2023
2024
2025
Yamaha YZ 450 FX
2021
2022
2023
2024
2025
Yamaha YZF 250
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Yamaha YZF 400
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
Yamaha YZF 426
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
Yamaha YZF 450
2002 a starší
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Call us, we are glad to help...
Jiri Fulin
Bike lover & your support
+420 736 164 904
obchod@mefo.cz
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