Black Inc Integrated Aero Barstem - 140/40 Accessories When every bit of torque

When every bit of torque counts

Featuring a 23mm internal rim width

and to prevent spoke damage during wheel build

finding more comfortable hand positions during the 200 mile slog across Kansas at Unbound Gravel

the Cinturato Gravel Hard Terrain tire provides great grip

Black Inc Integrated Aero Barstem - 140/40 Accessories When every bit of torqueThe Integrated Aero Barstem AB02 sets a new standard in aerodynamic cockpit design for serious road and gravel cyclists. Its innovative one piece construction delivers superior wind cheating performance while maintaining exceptional ergonomics. The 30mm flared drops provide enhanced control and wrist clearance during technical descents and rough terrain, while the meticulously engineered profile significantly reduces drag coefficient for the complete