Today’s Groupon.com deal is $50 worth of bicycle supplies from Sabino Cycles for $25.

If you’ve never used Groupon, here is how it works:

1) Go to http://groupon.com/tucson and sign up.

2) Read the deal details, which are sometimes amusing:

As spring spreads like spilled gravy over the land, hibernating bicycles slowly awaken and emerge from the undergrowth, shy and stiff with sleep. Help your own bicycle bosom-buddy rise and shine with today’s Groupon: for $25, you get $50 worth of gear, parts, and more at Sabino Cycles on Tanque Verde Road.

Sabino Cycles’ staff channels 15 years of collective experience to dispense knowledge, advice, and assistance to every customer that crosses its threshold. Cycling computers($20–$199.99) can calculate speed and cadence, stylish handlebar bags ($22.99–$79.99) eliminate the need for pockets, and baskets($19.95–$99.95) proffer space to hold groceries, art supplies, and lazy lapdogs. Pick from a variety of colorful, loud bells($8.99–$14.99) to engage errant pedestrians, or bedeck bikes with fenders($11.99-$49.99) to redirect pesky mud back from whence it came.

3) Click the buy button and pay for the Groupon.

4) Print out and use the Groupon before the Aug. 13 deadline.