This moderately priced Adult road bike helmet from Trek is rated excellent for impact absorption, excellent for ease of use and very good for ventilation. The many adjustment features translate to a excellent rating for fit adjustment. The length of the strap for the retention system can be adjusted, and it's considered easy to adjust. This helmet comes in 5 sizes. The weight is on the lighter side and among those we've tested is considered better. This helmet has the following notable features: reflective aspects for greater visibility in low light, technology to limit the effects of rotational impacts and a crash replacement program is also available in case you damage your helmet in an accident within the first year of ownership. It comes with a one year warranty.

The Trek Starvos WaveCel is part of the Bike Helmets test program at Consumer Reports. In our lab tests, Bike Helmets models like the Starvos WaveCel 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.