Product Reviews

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Cannondale Teramo bike helmet


Alert: We have changed our Rating for the Cannondale Teramo from a Don’t Buy: Safety Risk to Recommended because the buckle on the chinstrap is different, and the helmet now passes our chinstrap test. It also performed well in our other tests and assessments. If you own a Cannondale Teramo helmet with the old buckle design, we recommend that you do not use it. If you are buying a new Cannondale Teramo helmet, be sure that it has the new buckle design.  For more information, including images of the old and new buckles, see our full story here.


The Cannondale Teramo is part of the Bike helmet test program at Consumer Reports. In our lab tests, Bike helmet models like the Teramo are rated on multiple criteria, such as those listed below.

Impact absorption: The ability of a helmet to absorb impact forces in a crash, which reduces the rate of deceleration experienced by the head. Based on laboratory impact testing.

Ventilation: The evaluation of how well air flowing through the helmet provides cooling during rides. Based on actual usage and expert judgement.

Fit adjustments: The evaluation of the features and versatility of the retention system when adjusting the fit of the helmet. Based on expert judgment.


Magnetic buckle Magnetic buckle Indicates whether the chin strap buckle is magnetic.
Visor type Visor type Indicates whether or not there is a visor and if it is permanently attached or removable.
Adjustable retention strap Adjustable retention strap Indicates whether the retention strap can be shortened, lengthened and re-positioned to help customize the helmet's fit. The retention strap is made up of the chin strap and under-ear loops that help secure the helmet to the head.
Locking side-slides Locking side-slides Indicates whether the tabs that secure the under-ear loops of the retention strap, can lock to secure the adjustment.


Style Style Identifies the look of the helmet. Bike - a traditional road bike or mountain bike look with plenty of ventilation. Multi-use - a skateboard look with full coverage and minimal ventilation. Commuter - a full coverage urban look for every day commuting.
Sizes available Sizes available A listing of the available sizes for the model.
Dimensions Dimensions The head circumferences available, which correspond to the helmet sizes.
52-58, 58-62
Weight (g) Weight An average weight of multiple samples. Size medium is weighed for helmets with multiple sizes. If medium is not manufactured, a large and small sized helmet is used to determine the weight.