Alpinestars Tech 10 Supervented Boot Colour:White/Red The Knucks handlebar risers are

The Knucks handlebar risers are ideal to personally customize the height of your handlebars and the look of your sled

Reinforced goat leather palm for reinforced grip

1mm premium leather frame

plus a back stash pocket for secure storage

They're compatible with Bell Star

Alpinestars Tech 10 Supervented Boot Colour:White/Red The Knucks handlebar risers areFEATURES Construction uses a highly breathable, perforated microfiber with internal perforated padding Highly ventilated perforated padding for optimized ventilation and airflow Thermoplastic Polyurethane (TPU) features is combined with ventilation zones and a new air flow system sole for breathability and superior ventilation Two large inlet ports on front of boot with exhausts at back for optimized levels of airflow and heat exchange 3D Higher