![Technical FAQ: Mips vs. loose helmet strap, bike weight, hydraulic brakes at altitude, Di2 mix/match](https://zinncycles.com/wp-content/webpc-passthru.php?src=https://www.velonews.com/wp-content/uploads/2022/02/giro-eclipse-spherical-ex.jpg&nocache=1?width=1200)
Helmet and bike safety are on readers’ minds this week.
Read the full article at Technical FAQ: Mips vs. loose helmet strap, bike weight, hydraulic brakes at altitude, Di2 mix/match on VeloNews.com.
Helmet and bike safety are on readers’ minds this week.
Read the full article at Technical FAQ: Mips vs. loose helmet strap, bike weight, hydraulic brakes at altitude, Di2 mix/match on VeloNews.com.