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Sturmey Archer CS-RK3 3Spd F30 Cassette Hub

Customer Reviews (4)

5 / 5| Write your review

£119.99

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Details

All new cassette 3 speed hub
- 3 Speed internal gear hub without brake (freewheel).
- Classic 3 speed gear ratio of 177%.
- Compatible with 8 and 9 speed cassettes.
- Compatible with standard MTB / ATB left hand shifters for front triple chainwheel.
- Available with polished and anodised aluminum shell in silver or black.
- Compatible with standard 135mm frame dropouts

Weight - 1155g.

NOTE: Does not include shifter

Product Reviews (4)

Questions & Answers (13) Q & A

Specification

Downloads

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Product Reviews (4)

Overall Product Rating 5 / 5

Ebike Nirvana!

By PhilR

06 Aug 2024

5 / 5

I recommend this product

ConsNone

ProsEasy changes when stationary

I built a custom 21-speed (3x7) wheel with this hub to suit my 1600W 58.8V BBSHD mid-motor ebike and it’s great! 500 miles so far and not missed a beat. Just remember to shift when not pedalling.

increased gearrange without any large jumps

By Tim Lilley

25 Nov 2019

5 / 5

I recommend this product

ConsThe lack of a quick release option makes tyre road side puncture repair more challenging

I ride a 20" recumbent trike and have used the hub gear to provide increased gear range without any large jumps. The hub gear also allows for the use of a short drop derailleur which on a 20" wheel ensures the chain is running higher than the wheel rim. As the hub is run in conjunction with a 9 speed block and a triple chain ring in theory I have 81 gears at my disposal.

By Peter Leid

15 Jun 2018

5 / 5

I recommend this product

ConsSee Review

ProsRobust, super quick gear shift, so much better than a front derailleur!!

I must own the only 27 speed Mk3 Raleigh Chopper!
I have an answer to Les Crook's "con"... 1st he's correct the front derailleur works the opposite direction to the SA CS RK3 hub. I have had a window decal made for the gear indicator, so I rubbed the 3 2 1 off the window with alcohol and applied the 1 2 3 to the underside of the gear shift window... all sorted.

Great Product, Great Service

By Les Crook

01 Mar 2013

5 / 5

I recommend this product

Consthe standard MTB left hand shifter works in reverse

Proscheaper than the Sram unit

Bought as an alternative to a Sram Dualdrive. The guys built it into a 20inch rim for my folding bike. I now have a 27 gear folder that is used as a multi mode touring bike even in hilly areas.

The hub was easy to set up due to the excellent instructions supplied. It has needed just a minor tweak to get the indexing spot on. The only anomaly is that the shifter works opposite to normal. In other words when the indicator shows 3 it is actually bottom gear. Just took a little time to get used to it.

I will admit it is not the most refined of units but, it does what it says on the box.

Questions & Answers (13)

What is included?

By Michael

14 Nov 2023

Does the price include the required hardware to fit the hub such as nuts, antiturn washers, indicator chain?

SJS Customer Service:

Thank you for your email, yes the non turn washers, indicator chain, nuts and cable anchorage are included but no shifter or sprocket.

WD 15/11/23

Can I change OLD to 130mm?

By MLASK

19 Sep 2023

Can I remove the nut to fit into 130mm frame?

SJS Customer Service:

Sadly you cannot convert this hub to 130mm. SK 20/09/23

Will a Sturmey SLS30 shifter work with this hub?

By GMT

21 Mar 2023

If not, do you have any recommendations for a bar-end shifter?

SJS Customer Service:

Hi
Thank you for your enquiry. We can confirm that the SL-S30 bar-end shifter will work with this hub.
Kind Regards. JP 21/03/23

Can I use this with a shimano 105 7000 Gear cassette (11 speed)

By Dick Wall

30 Jun 2022

How do I order a bombproof rim and spokes to build it mysels please?

SJS Customer Service:

For wheel builds please email [email protected] we have not tested this with an 11-speed cassette yet.

JK 01.07.22

Do you have 28 holes? Replacement for sram dd II with 8 speed

By Anonymous

25 Dec 2020

SJS Customer Service:

We do not stock a 28 hole version of this hub sadly.

Thanks, 30.12.20

can I use this hub on a brompton

By stephen

06 Dec 2020

I would like to upgrade a brompton and wondered if thus hub would fit which cassette with the most gears could be fitted while keeping everything else standard

SJS Customer Service:

As this is 135mm it would not fit a standard 112mm rear triangle, but you could fit a Kinetics triangle. You could then fit an Alfine/Rohloff which would offer a much larger gear range, the option of a disc brake but whilst keeping mostly the same parts.

Thanks

Can this fit an 11 speed MTB cassette?

By Anonymous

07 Sep 2020

Are 11s MTB cassettes the same size as 9s or 10s and therefore would fit on this hub?

SJS Customer Service:

Hello, with an 11-speed MTB cassette this maybe compatible however as we have not tested this we cannot guarantee compatibility or suitability.

JK 08.09.20

Does this hub use the standard freehub body? Thank you.

By duncan vine

23 Jul 2019

When using a standard left handed MTB shifter, does it need to be indexed or is the hub internally indexed?

SJS Customer Service:

Yes, a Shimano 8/9 speed cassette will be suitable.
The internal shifter will need to be SA 3 spd non rotary.

Thanks - 23/07/19

Can I use this with an 11-36 cassette?

By Peter

09 Jul 2018

I know the spec states 11-34 is the maximum spread, but how rigid are those limits? Can I go 11-36?

SJS Customer Service:

The product you have questioned about is a Sturmey Archer hub, you could use an 11-36 on that no problem. Is that the correct product you are reffering to?

Thanks

Can you offer this hub ready built into a 26inch wheel. If so what would you charge?

By Graham Mccollum

28 May 2018

SJS Customer Service:

Yes we can offer custom built wheels.

Simply add a suitable rim and spoke/build package to the basket and checkout. If you are unsure please call our sales team directly.

Thanks

Spoke Lengths Required

By Peter Leid

12 Jan 2017

I'm upgrading a Mk3 Chopper 5 speed with this hub to a 27 Speed. However the original spokes will not be correct length wise. Can you advise on left side and right side spoke length requirements, or let me have the Flange diameters and Flange centre lengths in MM.
Many thanks
Peter Leid

SJS Customer Service:

Hi,

Without having the rim as well we can't provide the spoke lengths, but we can provide you with the dimensions of the hub. The flanges are both 68mm in diameter. The DS flange to centre is 14mm and the NDS flange is 40mm to the centre.

Thanks.

Could I Possibly Use This With A 10Sp Cassette?

By Donald munro

08 Apr 2015

I ask this question as my cassette is quite new and I want to lower the bottom gears on my recumbent trike with out losing the high gears. I have a Sram PG1070 cassette. I was hoping that this spec might have been written before 10sp cassettes were common place.

SJS Customer Service:

Hi,

You are correct in thinking this description was written before 10spd became common. 8, 9 and 10spd cassettes all take up the same space of freehub so a 10spd cassette can be fitted to this hub without any issues.

Thanks.

Sturmey Archer 3Spd F30 Cassette Hub, Csrk3

By Boyan Boev

15 Jul 2014

Hello, can you please tell me what is included in the package with this hub. Thank you

SJS Customer Service:

Hi,

This hub come supplied with the basic fittings (lock nuts, indicator chain, fulcrum clip and cover), it also come supplied with a dust seal to fit behind the cassette and a cable anchorage unit.

Thanks.