Details
Less wind. More win.
When speed is your top priority and every watt counts, reach for the helmet that'll cut through the wind to save you seconds. Ballista is Trek's fastest, most aerodynamically-advanced helmet.
Ballista is light, cool, comfortable, and engineered with a fully-integrated Mips Air safety system that's designed to help keep you safer.
Part Numbers
Option | MPN | Store SKU |
---|---|---|
Matte Black / Small | 5279718 | HEL36238115C |
Matte Black / Medium | 5279719 | HEL3720967C |
Matte Black / Large | 5279720 | HEL36729189C |
Gloss White / Small | 5279721 | HEL36156502C |
Gloss White / Medium | 5279722 | HEL37379101C |
Gloss White / Large | 5279723 | HEL36306652C |
White / Nautical Navy / Small | 5279724 | HEL51894397C |
White / Nautical Navy / Medium | 5279725 | HEL52833190C |
White / Nautical Navy / Large | 5279726 | HEL51936355C |
Purple Flip / Small | 5279727 | HEL41575589C |
Purple Flip / Medium | 5279728 | HEL42955743C |
Purple Flip / Large | 5279729 | HEL41570648C |