Thorn Double Drilled Crank Arms 115 mm / 140 mm X-Over for Rear of Tandem - Black - 104/64 + 104
£69.99
was
£69.99
was
Manufacturer :
SJS Cycles part number :
Manufacturer part number :
Details
- Compatible with JIS square taper bottom brackets
- Two pedal positions available at crank length 115 mm or 140 mm
- For use at rear of tandem
- Four arm cranks
- Black
- Q-factor 90mm left and right when used with a 110mm bottom bracket
Designed for child use only.
- Two pedal positions available at crank length 115 mm or 140 mm
- For use at rear of tandem
- Four arm cranks
- Black
- Q-factor 90mm left and right when used with a 110mm bottom bracket
Designed for child use only.
Specification
Downloads
Download File
Questions & Answers (5)
What is the danger of using this with a small adult rather than a kid?
By Anonymous
12 May 2024
In the description is states that this is for kids only. I am in need of a short stoker crankset for a small adult. What is the danger of using it in this situation?
SJS Customer Service:
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.
Are these available with a plain arm?
By Anonymous
16 Jul 2023
SJS Customer Service:
Hello & thank you for your enquiry.
The arms are branded as per website image.
Kind regards, Pc 17/7/23.
The arms are branded as per website image.
Kind regards, Pc 17/7/23.
What's the Q-factor of these cranks?
By Johannes
17 Apr 2020
SJS Customer Service:
Q-factor 90mm left and right when used with a 110mm bottom bracket RT 23/04/2020
104 BCD?
By Tom
14 Apr 2019
Hello, just to confirm the outer two rings are 104bcd, please, and the inners 64?
Trying also to establish the Q factor with these cranks... thanks for your help!
Trying also to establish the Q factor with these cranks... thanks for your help!
SJS Customer Service:
Yes two outer rings of 104BCD and 1 inner of 64BCD.
Thanks - 15/04/19
Thanks - 15/04/19
Designed for triple at rear?
By Mick
17 Dec 2018
Just checking these are designed for a rear triple on a tandem setup? Thanks
SJS Customer Service:
Yes, the left simply accepts the timing chainring and the right a triple chainring set up.
Thanks - 17/12/18
Thanks - 17/12/18