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M-Wave Alloy Single Chainset with 170 mm Cranks

Customer Reviews (4)
4.5 / 5| Write your review
£14.99 Please note this product has selling restrictions to your country. was
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SJS Cycles part number : 
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Product Reviews (4)
Questions & Answers (5) Q & A
- Alloy-polished, cold forged crank
- 170 mm, JIS
- Silver steel chainring
- 1/2 x 3/32
- Axle length = 131 mm (Gives 52mm chainline)
122.5mm (Gives 45mm chainline)
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Product Reviews (4)
Overall Product Rating 4.5 / 5
Completely Satisfied
25 Apr 2019
5 / 5
I recommend this product
I am completely satisfied with the workmanship and quality of this crankset. I installed it in 2015 on a Raleigh comfort bike with a Shimano Nexus 8 speed internal shifting hub, so it is equivalent to a single speed application. I like the 33 tooth chain ring because the lower gearing helps on very steep hills, typical of my normal ride. I ride several time a week for about an hour per ride.
Even after 4 years of use there is little, if any, distortion wear on the chain ring teeth.
Good quality for the price
24 Jul 2018
4 / 5
I recommend this product
ConsFinish is OK, but good for this price point.
ProsDoes everything that I was looking for with clearances.
Happy with the purchase. Fits the retro bike well and clears the chain guard. The offset in the crank arm also clears the chain stays nicely. Steel chain ring finish leaves a bit to be desired, but runs true. Polish on alloy arms is good enough for the purpose.
If you are after a crank set to use on a retro styled bike matched with a period chain guard, then you can't go wrong with this.
05 Jul 2017
5 / 5
I recommend this product
Prosworks well, looks nice, good value
This works fine and is very good value
Does What It Should
09 Aug 2016
4 / 5
I recommend this product
straightforward steel chainring and alloy cranks. Chainwheel showed burrs from being blanked out, suggesting not a lot of effort at finishing, but it's true and works fine.
Questions & Answers (5)
Can I use this on a 1 x 8 setup?
16 Aug 2019
Can I use this on a 1 x 8 setup?
Yes, but you may need a chain retention device.

Thanks - 19/08/19
Can I use this chainset on a Brompton 3 speed
07 May 2019
Brompton b/b (JIS) is 119mm, we say about this - Axle length = 131 mm (Gives 52mm chainline)
122.5mm (Gives 45mm chainline) so probably on a Brompton chainline is 42mm so 119 might well work, i'm afraid the only way to know is to fit it...sorry.
what does it weigh?
07 Aug 2017
what is the weight of the 46T version?

if substituting for a different single crankset do I have to worry about chainline?
Hi, the weight is 820g. Chain line needs to be considered, your current bottom bracket axle may be the correct length. Thanks.
What Bottom Bracket Do I Need To Maintain Chainline For Nexus 8Spd Hub Gear.
16 Oct 2016
I am considering the m-wave single speed chainset to replace my worn out 10 yr old Shimano nexus chainset. This is for a bike with Shimano nexus 8spd hub gear, which I think has approx. 135mm OLN distance.

With this chainset you'll need a 122.5mm bottom bracket to get the closest chainline to suit your Nexus 8spd hub.

What Size Chain Is This Crankset Compatible With?
19 Aug 2015
Can I use this on a 1 x 7 setup? or will it only work with a singlespeed chain?
Hi, it's 3/32 and yes you can run a 1 x 7 setup. Thanks