Factor Ostro Naked Grunge Gravel Bike ready-to-roll the rim wall is hookless

the rim wall is hookless

and full commitment on the trail

The TPU material is significantly lighter than traditional butyl inner tubes

IsoSpeed frame technology helps to soak up jarring road vibrations

Carries bikes with large wheelbases thanks to single action extendable wheel holders

Factor Ostro Naked Grunge Gravel Bike ready-to-roll the rim wall is hooklessThe Factor OSTRO Gravel isnt here to cruise. Its built for one thing speed, everywhere. This is gravel, redefined. Aero where it matters, light where it counts, and stiff enough to put every watt straight into the dirt. Borrowing its DNA from the road dominating OSTRO VAM, this bike is made to go full gas whether youre racing, chasing, or just refusing to back off. A zoned aero design keeps the front end cutting clean through the air while the rear