BONTRAGER RALLY WAVECEL MOUNTAIN BIKE HELMET BLACK/OLIVE GREY has_product_type Material: 13mm aluminium construction

Material: 13mm aluminium construction

4" 50 mm TPI 60 TPI 60 TPI Compound 60a 60a Bead Wire Wire Type Clincher Clincher Minimum pressure 30 psi 30 psi Maximum pressure 50 psi 60 psi ETRTO 60-584 50-622 Puncture protection Hard-Case Lite Hard-Case Lite Studdable No No Weight 1280g 855g

For use with removable integrated battery system

Dual spoiler function at the front

Compatible chain: HG-EV 11-speed

BONTRAGER RALLY WAVECEL MOUNTAIN BIKE HELMET BLACK/OLIVE GREY has_product_type Material: 13mm aluminium constructionA major advancement in the protection against cycling related head injuries Rally WaveCel is a high style, high value off road helmet with trail specific features and WaveCel, a leading technology in the protection against cycling related head injuries. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager exclusive technology disrupts the safety standards that the industry has accepted for over 30 years.