Blackburn Mammoth 2-Stage Rebuild Kit

£8.99 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
genuine Blackburn replacement part.
For use with Backburn Mammoth 2-Stage Pumps
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Size of part
07 May 2018
Please could you tell me the diameter and depth of the grey rubber cylindrical valve for this item and you spares part reference 21160.

I am looking for one which is 14mm diameter for an old Blackburn pump which is no longer made, which preferably adapts to both Presta and Schraeder valves.
Many thanks
Hi, this one is 13.8mm diameter and 13mm deep. It should fit your pump. Thanks Adrian