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Thorn 130 PCD EX Bearing Single Crankset - With Integral Bottom Bracket

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Details
Includes axle, bearing and cups, plus spacers for 68mm or 73mm b/b shells.

Torque for all GXP style self extracting bolts is 47 to 54nm

NOTE: Bottom bracket colour may vary (between bronze or black)

For replacement bearings please use 24378-2RS sealed cartridge bearings (SJSC # 55282).
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Questions & Answers (21)
Would this fit my 10 year old rohloff thorn Mercury
By
31 May 2024
Does this item come complete with bearings and all items shown in the photo.
Yes, this would fit your Thorn Mercury, you may need to change the chainring as well depending on what was fitted originally. SK 31/05/24
Is this crankset compatible with Gates CDX front sprocket 5x130
By
28 Feb 2024
For any information or advice on any of Thorn bikes, frames and forks or parts, please contact our dedicated Thorn bikes sales team either on 01278 441505 or [email protected] and they'll be able to provide you with all of the information you need.
Which BB tool is required?
By
05 Mar 2023
Which size/type of BB tool is required for this crankset?
You will need a standard 16 notch 45mm bottom bracket tool the same as a Hollowtech 2 bottom bracket. SK 06/03/23
Is this crankset suitable for Sherpa converted to run Rohloff?
By
14 Sep 2022
Also,which 38 T chainring would you recommend with it? Thanks
For any information or advice on any of Thorn bikes, frames and forks or parts, please contact our dedicated Thorn bikes sales team either on 01278 441505 or [email protected] and they'll be able to provide you with all of the information you need.
Can I use this to replace a Shimano BB-UN300 Bottom Bracket
By
25 May 2022
Wanting to remove the square crank of the Shimano BB-UN300. Would this be the best option?
Depending on what you are after, please email [email protected] so we can best advise.
Please let me know the size of this BB.
By
08 Jun 2021
Is the standard for this BB “ENGLISH/JIS,(68xBC1.37x24T)”?
Thank you for your enquiry, yes standard English thread and will work with both 68 and 73mm shells

WD 08/06/21
In which direction does the bolt on the non drive side undo?
By
19 Jan 2021
I notice from a previous question... 'All you have to do is undo the bolt holding the non-drive side crank on, pull the non-drive side crank off by hand and with a bit of force you should be able to push and then pull the drive side crank arm out.' In which direction does this bolt on the non drive side undo? ie is it reverse threaded?
Hi there,

The inner bolt threads out anti clockwise, the outer is clockwise. You do not need to remove the outer.

Thanks
How tight should the connecting bolt for the non-drive side crank be?
By
06 Dec 2019
Torque for all GXP style self extracting bolts is 47 to 54nm
Is the axle diameter 24mm?
By
15 Mar 2019
These are 24mm, with a step down to 22mm.

thanks - 15/03/19
Will this fit my Thorn Nomad Mk1 (S&S) with disc Rohloff?
By
24 Feb 2019
Yes these would it the Nomad.

Thanks - 25/02/19
Is this bottom bracket and crankset compatible with my Thorn Raven Sport.
By
13 Oct 2018
Is this bottom bracket and crankset compatible with my Thorn Raven Sport, brought back in 2015
Yes this would work absolutely fine.

Thanks - 16/10/18
Would this crankset be compatible with a ceramic speed bottom bracket (e.g. BSA Shimano Road)?
By
11 Oct 2018
I'm running a Rohloff Speedhub and this crankset would be perfect to meet the required chainline. However I'd like to use a better bottom bracket then offered in this combo.
No, these use a GXP style BB.

Thanks - 12/10/18
What size spanner do you need for this bottom bracket bearing cups
By
06 Jul 2018
We would recommend - SJS Cycles part number : 46845 and a torque wrench.

Thanks
What Is The Weight Of The Crankarms
By
17 Apr 2017
Hello.

The total weight of everything included (axle, bearing cups, spacers) comes to 872 grams.

Thanks.
Which Splined Sprocket Carrier?
By
05 Apr 2017
Would you buy the normal Rohloff splined sprocket carrier or the slim version for use with this item?
Hi,

This chainset would be best suited to use with the standard splined Rohloff sprocket carrier.

Thanks.
Replacement Bb
By
05 Apr 2017
Could the following be used as a replacement BB for this item?
Hi,

Unfortunately that bottom bracket you are looking at is a different size than what is required for use with this crankset. The replacement bottom bracket you require is SJSC part 24783.

Thanks.
Old Rohloff Replacement
By
28 Dec 2016
Hi, Would this (Thorn 130 PCD EX Bearing Single Crankset - With Integral Bottom Bracket) be a good chainset to replace a worn square tapper set (that seems to loosen frequently- especially in the winter) on a Rohloff (old type?- 2008) equipped bike on a frame with a Bushnell eccentric bottom bracket - would the chainline be good (given your comment that its best suited to the new splined Rohloff)? Also I'll want a 40t ring - any recommendations? Or ... would I be better (and would it be cheaper) to use an alternative solution? Thanks
Hi,

Although slightly better suited to the new splined chainline this crankset would still be suitable for use with an older Rohloff. We normally recommend out Thorn single chainrings for use with Rohloff set ups as they are hard wearing and can be reversed. These chainrings in the correct fitment for this crankset are SJSC part 11055.

Thanks.
58Mm Chainline? Jis Taper?
By
23 Aug 2016
Hi,
How would the 54mm chainline be increased to 58mm for the new splined Rohloff hub?
Also, are the cranks JIS taper?
Thanks very much.
Hi,

The chainline for these cranks was actually always slightly out with the old Rohloff chainline, so these cranks are actually better suited to the new 58mm chainline. As these are an external bearing type crankset they don't use a square taper bottom bracket so they don't have a taper like JIS.

Thanks.
Cover For Axle Tube
By
13 Sep 2014
When assembled, does the drive side crank have a black cover for the hole at the end of the axle tube or is the tube uncovered?
Hi,

As with all Hollowtech style cranks the drive side cranks is always uncovered where the axle is.

Thanks.
Crank Removal Tool
By
12 Apr 2014
Hi,

Which tool is used for this type of crank, it looks like a big grub screw would do the trick screwed into the inner thread of the axle tube.

Hi,

This type of crankset doesn't use a removal tool as such. All you have to do is undo the bolt holding the non-drive side crank on, pull the non-drive side crank off by hand and with a bit of force you should be able to push and then pull the drive side crank arm out.

Thanks.
What Is The Chainline For This Set
By
11 Oct 2013
This looks similar to the standard equipment on the Thorn Mercury. Would it therefore have a 54mm chainline?
Hi,

Yes these cranksets were designed around a single ring set up to match the Rohloff hubs and therefore have been designed around a 54mm chainline.

Thanks.