Lazer Aeroshell Sphere - Matte Black D4 A pressure calculator such as

A pressure calculator such as SILCA or SRAM AXS will provide a much more accurate starting point than relying solely on the maximum pressure printed on the tyre

135mm and 410mm chainstay length

Constructed from anodized 6061 alloy it is available in a range of flipable angles and length options

engineered for smooth shifting

Vented upper for breathability

Lazer Aeroshell Sphere - Matte Black D4 A pressure calculator such asThe Sphere Helmet Aeroshell is a plastic cover, designed to fit perfectly over the Lazer Sphere helmets. The Aeroshell snaps into place and protects the riders head from wind and rain while still allowing for some air movement under the front of the helmet and out the rear vents. The Aeroshell is unique in that it is easily removed from the helmet when riding conditions are such that additional ventilation is desired. Snap it on when the rain is