Michelin Protek Max Tube - 26 x 1.85 - 2.3, 40mm Presta Valve road helmets durable aluminum plate and solid

durable aluminum plate and solid pulley to add robustness and longevity

and includes Z-link wire

High volume center blocks for climbing and braking traction

Lithium polymer battery provides up to 48 hours of runtime

RL1 External Cup headsets offer all the precision engineering and renown reliability for which Ritchey headsets are known

Michelin Protek Max Tube - 26 x 1.85 - 2.3, 40mm Presta Valve road helmets durable aluminum plate and solidThe Protek Max tubes feature a proprietary shape and construction that is extremely resistant to punctures. Contains liquid sealant that immediately closes small punctures to prevent air loss Excellent air pressure reteintion Square shape retains shape better and resists twistin during installation Excellent air pressure retention