Organic energy in a variety of flavors for fast fuel-ups on your hardest rides.

Standard thickness tube fits 700c or 27 inch tires with Presta or Schrader valves. The pulldown menu indicates the tube size range (i.e. 700x18/23 will fit tires from 700x18c to 700x23c) and the type of valve stem.

Threaded 16 gram CO2 refill for threaded inflators. * Ground Shipping Only * Quantity Discounts *

Get that extra caffeine boost and fuel your workouts with great tasting jelly beans. 20g of carbohydrates and 20% of your daily recommended vitamin C and E. Single serving 28g packets.

90% organic energy in a convenient design that makes on the bike nutrition easy. Eco-friendly "litter leash".

Durable yet light carbon composite design for road or mountain use.

Continental's most advanced racing clincher with a truly unique blend of speed and durability.

16g CO2 cartridge for use with threadless inflators. *Ground Shipping Only* Quantity Discounts.

Lighter than the standard Race tube, not so light as the Supersonic.

Refill for threaded inflators. 16g cartridge. Fills one road tire to 130PSI or one mountain tire to 40 PSI.

Great lightweight tube for racing and training, in 650c and 700c sizes.

Quick and lasting energy when you need it most.

The Grand Prix 4000 S with Black Chili sure is something Special.

High qualility Merino Wool Woolie Boolie socks are warm and breathable, perfect for cold weather riding.

Merino Wool brings a new level of warmth and comfort to Defeet's popular Airator design.