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Origin8 Down Tube Shift Adapter - 28.6-31.8mm

Customer Reviews (2)
4 / 5| Write your review
£24.99 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
Allows you to install downtube shifters on a frame with no braze-ons. Fits down-tubes 28.6 to 31.8mm (w/ shim). Machined alloy construction.
Product Reviews (2)
Questions & Answers (4) Q & A
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Product Reviews (2)
Overall Product Rating 4 / 5
Does what it's supposed to
By Jake
18 Nov 2017
4 / 5
I recommend this product
ConsExpensive for what it is
ProsWorks without issue
Slightly overpriced but there's no other version of this on the market anywhere so can't really complain, useful and functional.
By Richard
20 Jun 2016
4 / 5
I recommend this product
ConsChunky appearance
ProsVery effective
Works really well. Places the gear shifters about 10mm further out from the downtube compared to brazed on bosses so looks a little "chunky"
Questions & Answers (4)
Can I convert my 3 Speed Sturmey Archer SLS30-T Thumbshifter to mount onto this clamp?
30 Dec 2019
Yes, this should work.

Thanks - 30/12/19
Would this be worth a try with a downtube about 33mm dia
18 Nov 2019
Looking to use downtube levers on my 1996 Marin Bear Valley, I see that the max dia if this is 31.8,mm. I know it wouldn't be perfect but what do you reckon? Thanks,
We simply could not recommend it.

Thanks - 19/11/19
Are these compatible with the Shimano SL-R400 8 Spd Braze-On Down Tube Shifters?
02 Feb 2019
Yes, these should be perfectly suitable.

Thanks - 04/02/19
dpes this fir with Shimano Dura-Ace SL-7900 10 Spd Braze-On Down Tube Shifters
08 Sep 2018
Hi yes they will fit. Thanks