ALPINESTARS SM5 Helmet - Compass - Matte Black/Yellow Fluo - 2XL 8303321-1559-2X Tri-Flo Slip-On Mufflers Head with thumblock fits Presta

Head with thumblock fits Presta

Pure drag pipes work great on dragsters because they spend 100 percent of their time at full throttle

Optimizes overall performance

Lightweight strap System can be worn over or under the jersey

backing plate and mounting hardware to make for an easy installation High-flow K&N air filter element ensures the best air intake and maximum protection for your engine Formed stainless steel mesh insert in the dual entry ports keeps out bugs and debris Unique internal venturi design promotes maximum airflow

ALPINESTARS SM5 Helmet - Compass - Matte Black/Yellow Fluo - 2XL 8303321-1559-2X Tri-Flo Slip-On Mufflers Head with thumblock fits PrestaLightweight outer shell is constructed from a technologically advanced impact resistant thermoplastic The inner and outer surfaces are engineered to minimize the effects of oblique impacts Multiple density inner liner to ensure the correct density in the correct area for enhanced impact absorption Patented visor release system insures the visor is released with the correct pre determined amount of force, irrespective of the angle of impact Maximized