The knurled end keeps the pump from slipping. For Butyl tube with Presta Valve.
Features For use with threaded presta (non-removable core) tubes Extenders thread "over" an existing valve and do not "replace" a valve core Knurled end to keep pump from slipping 3mm hex broach in the barrel to guarantee a perfect seal when tightened Sold each Color: Black
Zipp Use with threaded presta head BLK 72mm for 808
$18.99Sale•
Save
Earn [points_amount] when you buy this item.
The knurled end keeps the pump from slipping. For Butyl tube with Presta Valve.
Features For use with threaded presta (non-removable core) tubes Extenders thread "over" an existing valve and do not "replace" a valve core Knurled end to keep pump from slipping 3mm hex broach in the barrel to guarantee a perfect seal when tightened Sold each Color: Black