AIRRO Electric Mini Pump Jerseys Hardness: 40

Hardness: 40

a thin film of silicone will develop on the glass lens

Manufactured in-house by Park Tool

This means the ball is not pressurized like traditional balls

About 10% lighter than SM-RT53

AIRRO Electric Mini Pump Jerseys Hardness: 40Compact design and weighing just 145g, easy to fit in a jersey pocket or saddle bag. Featuring a powerful brushless motor, capable of inflating tires up to 120 PSI. Built in high precision barometer that displays real time tire pressure with an accuracy of 1. 5 psi. LED digital display showing real time tire pressure and battery status. Simple controls with on off, + for pressure adjustments, and PSI Bar toggle. Automatically stops once the desired