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Essentials

Whether you are seeking safety, security, comfort, or fitness, we have the essential items to help you ride longer, ride faster, and ride safer.

Road

Short rides or long, here are some items to keep you rolling comfortably and prepare you for what Mother Nature may throw your way.

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Mountain

Ride longer, harder, and have more fun with this list of essential items for the dirt lover in all of us.

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Triathlon

Both short distance and Ironman triathletes can benefit from proper hydration and aerodynamics. Here are a few products to speed you to the next transition.

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Town

Twenty minutes of traffic or ten minutes by bike? Remove the guesswork with essential items designed to make your ride more comfortable, more secure, and more fun.

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Kids

You love them. And they love to ride. Keep your little one(s) safe, happy, and outfitted for fun with these essential items from Bontrager and Trek.

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Fabian Cancellara upgraded. So can you.

Upgrade to the new, cooler you.

Discover Oracle. Massively ventilated, carbon fiber-reinforced protection for your head.

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Universal Sizing

Measure the circumference of your head using a cloth tape measure or a piece of string and a ruler. Use the chart below to find the proper helmet size based on your measurement.

cm 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
  Toddler                        
    Youth              
        Women’s          
                  Men’s

1 Head

Take your measurement horizontally across your brow and over your ears.

Pro Sizing

Measure the circumference of your head using a cloth tape measure or a piece of string and a ruler. Use the chart below to find the proper helmet size based on your measurement.

cm 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66
  Small                  
          Medium            
                  Large    
                      X-Large

1 Head

Take your measurement horizontally across your brow and over your ears.

Convert Sizing

Measure the circumference of your head using a cloth tape measure or a piece of string and a ruler. Use the chart below to find the proper helmet size based on your measurement.

cm 53 54 55 56 57 58 59 60
  Small            
      Medium        
          Large    
              X-Large

1 Head

Take your measurement horizontally across your brow and over your ears.

Glove Sizing

Cycling gloves should fit snugly for best performance, but if you have particularly thick or round hands, choose one size larger than indicated on the chart.

SIZE MENS
inches cm
XS 6.0-6.5 15.0-16.5
S 6.5-7.5 16.5-19.0
M 7.5-8.0 19.0-20.5
L 8.0-9.0 20.5-23.0
XL 9.0-10.0 23.0-25.5

1 Hand

Take flat measurement from the index knuckle to pinkie knuckle.

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Turbocharger Fit Pump Selected as "Gear of the Day" on Bicycling.com

Bicycling magazine editor Emily Furia enjoys the greater ease with which she can air up her tires using the Bontrager Turbocharger Fit floor pump. So much so that she selected it as an edition to Bicycling.com's "Gear of the Day" database.

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Aeolus 9.0 Fastest Wheels at Ironman World Championships

Aeolus 9.0 Fastest Wheels at Ironman World Championships

Chris Lieto sets fastest bike split at Kona Ironman World Championships on a pair of Aeolus 9.0 wheels.

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