Step One: Attach Disc Wheel Adaptor to pump hose. Step Two: Pump up disc wheel. Step three: Set a new PR.
Easily pump up your disc wheel (or any wheel that has a tight, 90-degree bend needed for your pump head) with this Disc Wheel Adaptor.
• Valve interface: Slip-on Presta
• Size: 2.3 x .6 x .65 inches
• Weight: 11 grams
• Construction: 6061 Anodized Aluminum Alloy