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Humpert Kobra Vario Tube Adjustable 1 Inch Quill Stem - 25.4mm Clamp - Silver

£35.99 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
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Questions & Answers (1) Q & A
- Quill OD: 22.2mm
- Clamp ID: 25.4mm
- Quill Depth: 300mm
- Rise: -10 / +50 degree
- Extension: Choice of 90mm or 110mm
- Weight: 710g (for 90mm) / 735g (for 110mm)
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Questions & Answers (1)
I have one of these ordered from you, but cant adjust....
25 Dec 2018
... I'm assuming that the single allen keyed bolt on the bottom of the bar clamp section has to be loosened off before the two on the side can be used to adjust the angle? If thats the case, the one on the bottom is SO tight that no amount of force has managed to move it. Short of using a long torque wrench or a breaker bar, i'm not sure how I can shift it. Is this the correct useage? I may have to swap it for one that you've tested as at the moment it's unusable.
Hi there,

Yes you are indeed using this correctly. I have just tested one and the bolts are tough to undo. If it turns out that you definitely cannot get the bolts off, please contact us and we will sort something for you.