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Chain sprocket set Yamaha YZ250X 2017 - 2020 | made by Chiaravalli RK - Italy Japan

Parts listed below should be used on Yamaha:
- YZ250X of the years 2017, 2018, 2019 and 2020.

K front sprocket - 12 teeth - pitch 520 | Chiaravalli | stock pitch

K front sprocket - 12 teeth - pitch 520 | Chiaravalli | stock pitch
#405012K

Made of 16CrNi4 steel.



Weight Kg 0.076

Code 405012K
Price USD 38.59
Price USD 34.73
Delivery 1-5 days
pieces

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K front sprocket - 13 teeth - pitch 520 | Chiaravalli | stock pitch

K front sprocket - 13 teeth - pitch 520 | Chiaravalli | stock pitch
#405013K

Made of 16CrNi4 steel.



Code 405013K
Price USD 40.15
Price USD 36.14
Delivery 6-12 days
pieces

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K front sprocket - 14 teeth - pitch 520 | Chiaravalli | stock pitch

K front sprocket - 14 teeth - pitch 520 | Chiaravalli | stock pitch
#405014K

Made of 16CrNi4 steel.



Code 405014K
Price USD 41.70
Price USD 37.53
Delivery 6-12 days
pieces

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K front sprocket - 15 teeth - pitch 520 | Chiaravalli | stock pitch

K front sprocket - 15 teeth - pitch 520 | Chiaravalli | stock pitch
#405015K

Made of 16CrNi4 steel.



Code 405015K
Price USD 43.26
Price USD 38.93
Delivery 6-12 days
pieces

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KC front sprocket - 13 teeth - pitch 520 | Chiaravalli | stock pitch

KC front sprocket - 13 teeth - pitch 520 | Chiaravalli | stock pitch
#405013KC

Made of 16CrNi4 steel.
With lightening holes.
With mud grooves on both sides.



Code 405013KC
Price USD 46.37
Price USD 41.73
Delivery 6-12 days
pieces

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KC front sprocket - 14 teeth - pitch 520 | Chiaravalli | stock pitch

KC front sprocket - 14 teeth - pitch 520 | Chiaravalli | stock pitch
#405014KC

Made of 16CrNi4 steel.
With lightening holes.
With mud grooves on both sides.



Code 405014KC
Price USD 47.93
Price USD 43.14
Delivery 6-12 days
pieces

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C rear sprocket - 46 teeth - pitch 520 | Chiaravalli | stock pitch

C rear sprocket - 46 teeth - pitch 520 | Chiaravalli | stock pitch
#201546C

Made of C45 steel.



Code 201546C
Price USD 48.55
Price USD 43.70
Delivery 6-12 days
pieces

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C rear sprocket - 49 teeth - pitch 520 | Chiaravalli | stock pitch

C rear sprocket - 49 teeth - pitch 520 | Chiaravalli | stock pitch
#201549C

Made of C45 steel.



Code 201549C
Price USD 59.72
Price USD 53.75
Delivery 6-12 days
pieces

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C rear sprocket - 50 teeth - pitch 520 | Chiaravalli | stock pitch

C rear sprocket - 50 teeth - pitch 520 | Chiaravalli | stock pitch
#201550C

Made of C45 steel.



Code 201550C
Price USD 59.72
Price USD 53.75
Delivery 6-12 days
pieces

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C rear sprocket - 52 teeth - pitch 520 | Chiaravalli | stock pitch

C rear sprocket - 52 teeth - pitch 520 | Chiaravalli | stock pitch
#201552C

Made of C45 steel.



Code 201552C
Price USD 62.95
Price USD 56.66
Delivery 6-12 days
pieces

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E silver rear sprocket - 42 teeth - pitch 520 | Chiaravalli | stock pitch

E silver rear sprocket - 42 teeth - pitch 520 | Chiaravalli | stock pitch
#201542E

Made of anodized aluminum alloy 7075T6.



Code 201542E
Price USD 63.12
Price USD 56.81
Delivery 6-12 days
pieces

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E silver rear sprocket - 43 teeth - pitch 520 | Chiaravalli | stock pitch

E silver rear sprocket - 43 teeth - pitch 520 | Chiaravalli | stock pitch
#201543E

Made of anodized aluminum alloy 7075T6.



Code 201543E
Price USD 66.35
Price USD 59.72
Delivery 6-12 days
pieces

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E silver rear sprocket - 44 teeth - pitch 520 | Chiaravalli | stock pitch

E silver rear sprocket - 44 teeth - pitch 520 | Chiaravalli | stock pitch
#201544E

Made of anodized aluminum alloy 7075T6.



Code 201544E
Price USD 66.35
Price USD 59.72
Delivery 6-12 days
pieces

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E silver rear sprocket - 45 teeth - pitch 520 | Chiaravalli | stock pitch

E silver rear sprocket - 45 teeth - pitch 520 | Chiaravalli | stock pitch
#201545E

Made of anodized aluminum alloy 7075T6.



Code 201545E
Price USD 66.35
Price USD 59.72
Delivery 6-12 days
pieces

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E silver rear sprocket - 46 teeth - pitch 520 | Chiaravalli | stock pitch

E silver rear sprocket - 46 teeth - pitch 520 | Chiaravalli | stock pitch
#201546E

Made of anodized aluminum alloy 7075T6.



Code 201546E
Price USD 66.35
Price USD 59.72
Delivery 6-12 days
pieces

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EC silver rear sprocket - 47 teeth - pitch 520 | Chiaravalli | stock pitch

EC silver rear sprocket - 47 teeth - pitch 520 | Chiaravalli | stock pitch
#201547EC

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201547EC
Price USD 72.83
Price USD 65.55
Delivery 6-12 days
pieces

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EC silver rear sprocket - 48 teeth - pitch 520 | Chiaravalli | stock pitch

EC silver rear sprocket - 48 teeth - pitch 520 | Chiaravalli | stock pitch
#201548EC

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201548EC
Price USD 72.83
Price USD 65.55
Delivery 6-12 days
pieces

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10% off
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EC silver rear sprocket - 49 teeth - pitch 520 | Chiaravalli | stock pitch

EC silver rear sprocket - 49 teeth - pitch 520 | Chiaravalli | stock pitch
#201549EC

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201549EC
Price USD 72.83
Price USD 65.55
Delivery 6-12 days
pieces

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10% off
free shipping

EC silver rear sprocket - 50 teeth - pitch 520 | Chiaravalli | stock pitch

EC silver rear sprocket - 50 teeth - pitch 520 | Chiaravalli | stock pitch
#201550EC

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201550EC
Price USD 72.83
Price USD 65.55
Delivery 6-12 days
pieces

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10% off
free shipping

EC silver rear sprocket - 51 teeth - pitch 520 | Chiaravalli | stock pitch

EC silver rear sprocket - 51 teeth - pitch 520 | Chiaravalli | stock pitch
#201551EC

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201551EC
Price USD 72.83
Price USD 65.55
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

EC silver rear sprocket - 52 teeth - pitch 520 | Chiaravalli | stock pitch

EC silver rear sprocket - 52 teeth - pitch 520 | Chiaravalli | stock pitch
#201552EC

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201552EC
Price USD 72.83
Price USD 65.55
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

EC silver rear sprocket - 53 teeth - pitch 520 | Chiaravalli | stock pitch

EC silver rear sprocket - 53 teeth - pitch 520 | Chiaravalli | stock pitch
#201553EC

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201553EC
Price USD 72.83
Price USD 65.55
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

EC black rear sprocket - 48 teeth - pitch 520 | Chiaravalli | stock pitch

EC black rear sprocket - 48 teeth - pitch 520 | Chiaravalli | stock pitch
#201548ECBLACK

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201548ECBLACK
Price USD 80.76
Price USD 72.68
Delivery 6-12 days
pieces

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10% off
free shipping

EC black rear sprocket - 49 teeth - pitch 520 | Chiaravalli | stock pitch

EC black rear sprocket - 49 teeth - pitch 520 | Chiaravalli | stock pitch
#201549ECBLACK

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201549ECBLACK
Price USD 80.76
Price USD 72.68
Delivery 6-12 days
pieces

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10% off
free shipping

EC black rear sprocket - 50 teeth - pitch 520 | Chiaravalli | stock pitch

EC black rear sprocket - 50 teeth - pitch 520 | Chiaravalli | stock pitch
#201550ECBLACK

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201550ECBLACK
Price USD 80.76
Price USD 72.68
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

EC black rear sprocket - 51 teeth - pitch 520 | Chiaravalli | stock pitch

EC black rear sprocket - 51 teeth - pitch 520 | Chiaravalli | stock pitch
#201551ECBLACK

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201551ECBLACK
Price USD 80.76
Price USD 72.68
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

EC black rear sprocket - 52 teeth - pitch 520 | Chiaravalli | stock pitch

EC black rear sprocket - 52 teeth - pitch 520 | Chiaravalli | stock pitch
#201552ECBLACK

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201552ECBLACK
Price USD 80.76
Price USD 72.68
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

EC blue rear sprocket - 48 teeth - pitch 520 | Chiaravalli | stock pitch

EC blue rear sprocket - 48 teeth - pitch 520 | Chiaravalli | stock pitch
#201548ECBLUE

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201548ECBLUE
Price USD 80.76
Price USD 72.68
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

EC blue rear sprocket - 49 teeth - pitch 520 | Chiaravalli | stock pitch

EC blue rear sprocket - 49 teeth - pitch 520 | Chiaravalli | stock pitch
#201549ECBLUE

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201549ECBLUE
Price USD 80.76
Price USD 72.68
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

EC blue rear sprocket - 50 teeth - pitch 520 | Chiaravalli | stock pitch

EC blue rear sprocket - 50 teeth - pitch 520 | Chiaravalli | stock pitch
#201550ECBLUE

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201550ECBLUE
Price USD 80.76
Price USD 72.68
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

EC blue rear sprocket - 51 teeth - pitch 520 | Chiaravalli | stock pitch

EC blue rear sprocket - 51 teeth - pitch 520 | Chiaravalli | stock pitch
#201551ECBLUE

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201551ECBLUE
Price USD 80.76
Price USD 72.68
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

EC blue rear sprocket - 52 teeth - pitch 520 | Chiaravalli | stock pitch

EC blue rear sprocket - 52 teeth - pitch 520 | Chiaravalli | stock pitch
#201552ECBLUE

Made of anodized aluminum alloy 7075T6.
With mud grooves on both sides.



Code 201552ECBLUE
Price USD 80.76
Price USD 72.68
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

X-Race blue rear sprocket - 47 teeth - pitch 520 | Chiaravalli | stock pitch

X-Race blue rear sprocket - 47 teeth - pitch 520 | Chiaravalli | stock pitch
#201547XRBLUE

Center made of anodized aluminum.
Teeth made of carbon steel.

Lightness combined with longer life.



Code 201547XRBLUE
Price USD 88.87
Price USD 79.98
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

X-Race blue rear sprocket - 48 teeth - pitch 520 | Chiaravalli | stock pitch

X-Race blue rear sprocket - 48 teeth - pitch 520 | Chiaravalli | stock pitch
#201548XRBLUE

Center made of anodized aluminum.
Teeth made of carbon steel.

Lightness combined with longer life.



Code 201548XRBLUE
Price USD 88.87
Price USD 79.98
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

X-Race blue rear sprocket - 49 teeth - pitch 520 | Chiaravalli | stock pitch

X-Race blue rear sprocket - 49 teeth - pitch 520 | Chiaravalli | stock pitch
#201549XRBLUE

Center made of anodized aluminum.
Teeth made of carbon steel.

Lightness combined with longer life.



Code 201549XRBLUE
Price USD 88.87
Price USD 79.98
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

X-Race blue rear sprocket - 50 teeth - pitch 520 | Chiaravalli | stock pitch

X-Race blue rear sprocket - 50 teeth - pitch 520 | Chiaravalli | stock pitch
#201550XRBLUE

Center made of anodized aluminum.
Teeth made of carbon steel.

Lightness combined with longer life.



Code 201550XRBLUE
Price USD 88.87
Price USD 79.98
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

520MXZ4 black chain - 114 links - pitch 520 | RK | stock pitch

520MXZ4 black chain - 114 links - pitch 520 | RK | stock pitch
#HB752033114K

Without ring.
With CL clip link.



Code HB752033114K
Price USD 91.50
Price USD 82.35
Delivery 6-12 days
pieces

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Spare black CL clip link 520MXZ4 chain | RK

Spare black CL clip link 520MXZ4 chain | RK
#HB752033010K

Code HB752033010K
Price USD 10.08
Price USD 9.07
Delivery 6-12 days
pieces

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GB520MXZ4 gold chain - 114 links - pitch 520 | RK | stock pitch

GB520MXZ4 gold chain - 114 links - pitch 520 | RK | stock pitch
#HB752033114G

Without ring.
With CL clip link.



Code HB752033114G
Price USD 101.96
Price USD 91.76
Delivery 6-12 days
pieces

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10% off
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Spare gold CL clip link GB520MXZ4 chain | RK

Spare gold CL clip link GB520MXZ4 chain | RK
#HB752033010G

Code HB752033010G
Price USD 11.43
Price USD 10.29
Delivery 6-12 days
pieces

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BB520MXZ4 blue chain - 120 links - pitch 520 | RK | stock pitch

BB520MXZ4 blue chain - 120 links - pitch 520 | RK | stock pitch
#HB752033120BB

Without ring.
With CL clip link.



Weight Kg 1.640

Code HB752033120BB
Price USD 116.34
Price USD 104.71
Delivery 6-12 days
pieces

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10% off
free shipping

Spare blue CL clip link BB520MXZ4 chain | RK

Spare blue CL clip link BB520MXZ4 chain | RK
#HB752033010BB

Code HB752033010BB
Price USD 12.77
Price USD 11.49
Delivery 6-12 days
pieces

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10% off
free shipping

DD520MXZ4 orange chain - 120 links - pitch 520 | RK | stock pitch

DD520MXZ4 orange chain - 120 links - pitch 520 | RK | stock pitch
#HB752033120DD

Without ring.
With CL clip link.



Weight Kg 1.640

Code HB752033120DD
Price USD 116.34
Price USD 104.71
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

Spare blue CL clip link DD520MXZ4 chain | RK

Spare blue CL clip link DD520MXZ4 chain | RK
#HB752033010DD

Code HB752033010DD
Price USD 12.77
Price USD 11.49
Delivery 6-12 days
pieces

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10% off
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MM520MXZ4 green chain - 120 links - pitch 520 | RK | stock pitch

MM520MXZ4 green chain - 120 links - pitch 520 | RK | stock pitch
#HB752033120MM

Without ring.
With CL clip link.



Weight Kg 1.640

Code HB752033120MM
Price USD 116.34
Price USD 104.71
Delivery 6-12 days
pieces

add to cart
10% off
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Spare green CL clip link MM520MXZ4 chain | RK

Spare green CL clip link MM520MXZ4 chain | RK
#HB752033010MM

Code HB752033010MM
Price USD 12.77
Price USD 11.49
Delivery 6-12 days
pieces

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10% off
free shipping

RR520MXZ4 red chain - 120 links - pitch 520 | RK | stock pitch

RR520MXZ4 red chain - 120 links - pitch 520 | RK | stock pitch
#HB752033120RR

Without ring.
With CL clip link.



Weight Kg 1.640

Code HB752033120RR
Price USD 116.34
Price USD 104.71
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

Spare red CL clip link RR520MXZ4 chain | RK

Spare red CL clip link RR520MXZ4 chain | RK
#HB752033010RR

Code HB752033010RR
Price USD 12.77
Price USD 11.49
Delivery 6-12 days
pieces

add to cart
10% off
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YY520MXZ4 yellow chain - 120 links - pitch 520 | RK | stock pitch

YY520MXZ4 yellow chain - 120 links - pitch 520 | RK | stock pitch
#HB752033120YY

Without ring.
With CL clip link.



Weight Kg 1.640

Code HB752033120YY
Price USD 116.34
Price USD 104.71
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

Spare giallo CL clip link YY520MXZ4 chain | RK

Spare giallo CL clip link YY520MXZ4 chain | RK
#HB752033010YY

Code HB752033010YY
Price USD 12.77
Price USD 11.49
Delivery 6-12 days
pieces

add to cart
10% off
free shipping

For more info and applications, look up:
- chain sprocket set | Chiaravalli RK
BIKE TRANSPORT
Brake rotor guard | Offroad
Tie-downs
BOLTS
Brake clutch
Ergal Titanium
BRAKE
Discs | Newfren
Fluid reservoir
Fluid reservoir cover
Folding adjustable lever | Lightech
Oil hoses
Oil hose bolts
Pads and shoes | NewFren
Rotor guard | Offroad
Wire lever assembly | Domino
CARBURETOR
Dynojet carburetor kit
Main jets
CLUTCH
Crankcase guard | offroad
Fluid reservoir
Fluid reservoir cover
Folding levers
Oil hoses
Oil hose bolts
Parts and kits
Wire lever assembly | Domino
ELETTRONIC
Acquisition system
Electric switches
Quick shift
ENGINE
Choke lever
Crankcase guards | offroad
Crankcase guards | road
Deko levers
Oil filler caps
Quick shift
Slimline oil drain pans
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GPR
Termignoni
FAIRING
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Carbon fiber road enduro | RED Racing Parts
Crash protectors
Double bubble screens
Engine lower tips
Heat guard sheet
Licence plate holder
Mirror block off plates
Passenger seat covers
Rear huggers
Side radiator covers
Screens | standard - high protection
Offroad antimud foam
Underseat covers
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Carbon fiber | RED Racing Parts
Crash protectors
Offroad guard stickers
Subframes | DBholders
Subframes | Febur
Swingarms
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Fuel couplers
Fuel tanks | 2M carbon
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Fuel tank caps
Tank pad
GARAGE
Brake rotor guard | Offroad
Face masks
Funnels
Offroad paddock mat
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Wheel balancers
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Balancers
Choke lever
Clip-ons
Electric switches
Folding adjustable brake lever | Lightech
Folding clutch lever | Lightech
Grips
Handlebars
Left wire lever assembly | Domino
Lever guards
Offroad grip covers
Offroad pads
Right wire lever assembly | Domino
Turn throttle
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Acquisition systems
LIGHT
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Rearsets
Road footpegs
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Enduro pocket
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Offroad stand
Road central stand
Road front stand
Road rear stand | Bike-Lift
Road rear stand | Lightech
Swingarm cotton reels
Tether straps
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Offroad digits
Offroad fork stickers
Offroad rim tapes
Offroad stickers
Road digits
Road stickers
Tank pad
TRACK
Acquisition system
Pit board
Tire warmers
Track signs | Enduro
TRANSMISSION
Road chain adjusters
Sprockets Chains
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RED Racing Parts review

"Dear Giovanni san,
I've received the NewFren kit yesterday, 13th Apr. Mon.
Thank you for taking care of it.
Soon I'll install to the bike my friend look forward to ride.
Grazie mille!
And I hope the disaster getting calm down."

F. K. | Japan 14 April 2020

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