You can extened the length of 2 piece Presta valves by using the Valve Extener. You may attach and remove valve cores by using the Valve Core Tool. The Valve Core Tool can be used as a valve cap.
|E-VE-50||50mm, 2.6g Aluminium|
|E-VE-20||20mm, 1.1g Aluminium|
50mm, 2.6g Aluminium
20mm, 1.1g Aluminium