There is a 30PSI gauge so you can dial in the low pressures and a regular 75PSI gauge for regular mountain bike treads

The battery pack can be mounted using velcro straps and features a non slip base to stick to your frame

SmartLock No-Pinch Side Buckle

Reduces arm pump for MX

Size: Park Tool only lists the shipping dimensions -

RevGrips Pro Series Grips - Black With Black Clamps - Dual Lock On Grips - Half Waffle PDP|Colour There is a 30PSI gaugeRevgrips are the best thing to happen to the grip, ever. RevGrips have come out with a truly revolutionary idea, and they have executed it perfectly. With their patented shock absorbing technology these grips offer a level of comfort never before experienced on a bike, and they work wonders for reducing hand and arm fatigue. The feel of the Pro Series grips can be set to your liking with the included tuning washers, making them the most versatile