Have you got a crank with a screw on

spigot, designed for screw on freewheel or sprocket

and you wanted to change to bigger rings

Well now you can with this Screw-on Spider
Once its in position you can fit a standard triple or double,
a chainring and bash or simply a single ring 
It has four arms machined to take two rings with a 104mm BCD
and inner holes for a granny ring at 64mm BCD
     


Postage to Northern Ireland.
Please note that as Royal Mail has now made Parcel
Postage to Northern Ireland from the mainland more expensive than other UK destinations, there may be a further charge if you require postage there. We may therefore contact you after the order is placed for payment of the extra postage by Paypal. Please note the cost may be as much as double the normal UK postage.