The Story
The Pump GP-21 TWO WAY W/Gauge is a high-volume hand pump to support high-voltage air for Trek bikes. so that they can have an enjoyable ride free of any issues. This pump includes a high-quality pump with a reversible valve and is suitable for Presta and Schrader valves.
Description
The Pump GP-21 TWO WAY W/Gauge is a high-volume hand pump to support high-voltage air for Trek bikes. so that they can have an enjoyable ride free of any issues. This pump includes a high-quality pump with a reversible valve and is suitable for Presta and Schrader valves.



















