Ritchey WCS Drop In Integrated Lower Headset Assembly IS52/40 Model-Mostro Enduro Gender/Age Adult Rotational Protection Yes

Gender/Age Adult Rotational Protection Yes Minimum Head Circumference 51 Color Velvet Black Size Small Visor Included Yes Multi Impact No Weight 320 Helmet Certifications Complies with the U

Does not leave an oily greasy film

Model Protek Max BR Size 26" Width 1

Weight: 1900g/pair

With the addition of this new external battery you are going to be able to take your bike adventures to the next level

Ritchey WCS Drop In Integrated Lower Headset Assembly IS52/40 Model-Mostro Enduro Gender/Age Adult Rotational Protection YesDrop in lower assmbly with crown race. 45 45 degree angular contact bearing Titanium coated for corrosion resistance Bearing Type Cartridge Color Gold Crown Race 40 S. H. I. S Lower IS52