8.7 out of 10 based on 19 TrustPilot reviews

Lextek Front Sprocket 428-17T 156FMI 157FMI

RRP: £4.99
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Alternatives: FSPK42814BL - FSPK42815BL - FSPK42816BL
Availability: 12 In Stock
Code: FSPK42817L
Brand: Lextek
EAN: 5057645024873
Mounting Hole PCD: 34mm
Bolt Hole Diameter: 5.5mm
Spline Diameter: 20mm
Spline Quantity: 6
Spline Width: 5mm

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Suitable For
Manufacturer Model Year Fitment Note
AJS CR3-125
DD125E Mk1
JSM125 Motard
JSM125 Trail [JSM125(OFFROAD)]
Baimo Renegade 125
Better BT125-20
Direct Bikes 125cc Nevada [DB125L-4B]
125cc Thunderbird [DB125-9]
HMC Lightning 125 [ZS125GY-10C]
Haotian HT125-4F
Hongdou Urban [DZ125]
Honley HD1
Huoniao HN125-4F
Jinlun JL125-11
XR 125 [JL125Y]
Kaisar 125GY-6
Courageous 125 [KS125GY-3A]
Destiny 125 [KS125-3]
Kiden Aquarius 125 [KD125-G]
Aries 125 [KD125-J]
Pisces 125 [KD125-K]
Kinroad Cyclone 125 [XT125-16]
Explorer 125 [XT125GY]
Typhoon 125 [XT125-18]
Kymco CK1 125 2014-2019
Lexmoto Arrow 125
Aspire 125 EFI [TD125-43-E4] View parts diagram
Aspire 125 [TD125-43] View parts diagram
Falcon 125 [XGJ125-27B] View parts diagram
Hawk 125 [XGJ125-28] View parts diagram
LSM 125 [STR125YB]
Ranger 125 [ZS125-50] View parts diagram
Texan 125
Venom 125 [SK125-22] View parts diagram
Venom EFI [SK125-22-E4] View parts diagram
Venom SE 125 [SK125-22S] View parts diagram
Viper 125 [SK125-22A] View parts diagram
Vixen 125
XTR 125
XTR S 125 [KS125-24] View parts diagram
ZSA 125 [FT125-17C] View parts diagram
ZSB 125 [SK125-8] View parts diagram
ZSF 125 [TD125-10C] View parts diagram
ZSX 125 [ZS125-48A] View parts diagram
Lifan City X 125 [LF125-J]
Earth Dragon 125 [LF125GY-3]
Samurai 125 [LF125-30]
Trailblazer [LF125GY-6]
Others RR7
Pioneer Nevada 125 [XF125L-4B]
Torro 125
Pulse Arktix 125 [ZS125GY-10]
Regal Raptor DD125E Mk1
Romet Division 125 [SK125-22 (ROMET)]
Shineray XY125GY-5E
Skygo Sprint
Skyjet SJ125-26
Superbyke RBP 125
UM Commando Classic 125 [UM125-CL] View parts diagram
Renegade Commando 125 [UM125-CO] View parts diagram
Renegade Sport S 125 [UM125-RS] View parts diagram
Wuyang WY125-16C
Yuan Renegade
Zhongyu ZY125-2
Zing Bikes Edge 125cc
Mirage 125cc
Zongshen Arktix 125
Predator 125
ZSX 125
Zontes Mantis 125 [MANTIS125]
Rocketman 125I [ROCKETMAN125]
Scorpion 125I [SCORPION125]


This product been given a rating of 8.7 out of 10 rating based on 19 reviews on

Brilliant so quick now 18:16pm 03 Jan 2021

Brilliant so quick now

Austin Graham (5 / 5 Stars)
Just what I expected and fa... 16:42pm 28 Nov 2020

Just what I expected and fast than I expected brilliant

Simon (5 / 5 Stars)
Very happy with the cost an... 18:22pm 26 May 2020

Very happy with the cost and timing

Sheldon Smith (5 / 5 Stars)
Product arrived earlier and... 16:48pm 20 Nov 2019

Product arrived earlier and is of great quality

Shannonlee Gafney (5 / 5 Stars)
Very good. 16:46pm 26 Oct 2019

Very good.

Antonio (5 / 5 Stars)
Very solid item,exactly wha... 20:23pm 25 Sep 2019

Very solid item,exactly what I wanted! Fast delivery and yet again,a perfect experience start to finish

Callum McMorran (5 / 5 Stars)
Absolutely Amazing customer... 17:20pm 09 Sep 2019

Absolutely Amazing customers service fast delivery 1 day before expected 👍

Tommy Van Dycke (5 / 5 Stars)
Very hard with the service ... 06:47am 27 Aug 2018

Very hard with the service thank you very much

Rui Mourao (4 / 5 Stars)
very good high quality and ... 10:35am 07 Sep 2017

very good high quality and next day delivery

Karl Andrews (5 / 5 Stars)
Cheap and do what they should 16:52pm 06 Sep 2017

Cheap and do what they should

Kyle (5 / 5 Stars)
Great quality products do e... 19:31pm 05 Aug 2017

Great quality products do exactly what it says on the tin

Marc Workman (5 / 5 Stars)
doesnt even fit my bike whe... 10:48am 15 May 2017

doesnt even fit my bike when in the specs it said it would

Brad (1 / 5 Stars)
Fits engine stated. Product... 11:32am 01 Apr 2017

Fits engine stated. Product quality is high.

S. Martin (5 / 5 Stars)
Was looking at changing the... 17:46pm 04 Sep 2016

Was looking at changing the stock 15T front sprocket on my Lexmoto Arizona to slow the revs a little at the top end and hopefully add a few miles per hour. Ordered a 17T which was delivered within 3 days which included the weekend. Good quality part. Fitted within minutes. With the revs slowed due to change in the gearing ratio the bike seems a much smoother ride. I can now achieve 70mph with out the bike screaming giving everything it has. Great service and quality parts. Thank you

Wayne Meakins (5 / 5 Stars)
Decided to increase the gea... 10:05am 25 Aug 2016

Decided to increase the gearing of my xtrs 125 by going up a couple of teeth on the front and it has transformed the bike. Now I can cruise on the with fewer revs and less vibration. On a hill I used to struggle up in 5th I now just ride up comfortably in 4th instead. My only complaint is the Yodel delivery driver went to the wrong house. I got an email saying they were sorry they missed me and had left a card. But that was a lie. I found out that the people who live at the same number as me but on the next street had told him exactly where my house was, but he had just driven off anyway. So I wasted a day waiting in for nothing. Yodel said they couldn't do anything and I would simply have to hope the driver the next day got it right.

Andy Fear (5 / 5 Stars)
Great quality item from a g... 07:36am 06 Jul 2016

Great quality item from a great company. This is just the support that's needed to make Chinese bikes a viable option in the UK. Having a vast resource like cmpo makes repairs or mods so easy, cheap and fun. Throw in the fact that they deliver super quick and we have a winner. Keep up the good work

Chris Aldridge (5 / 5 Stars)
Good quality and gives you ... 20:24pm 04 Jul 2016

Good quality and gives you longer gears

Mr N R Flowers (5 / 5 Stars)
Brought as an upgrade for m... 16:41pm 11 Jun 2016

Brought as an upgrade for my sukida 125 patriot. Although wasn't listed as a part for my bike, I was confident with the description that it would fit my bike. And now have a smoother accelerating bike and lower revs at top end with an increase in speed with the 39 tooth rear sprocket which I also purchased.

Mr E Dowling (5 / 5 Stars)
Fits well works great. Does... 06:09am 27 May 2016

Fits well works great. Does what they are meant to do...

A Jarrett (5 / 5 Stars)
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