Force E1 FlattopOur Force chain is lighter, stronger and even more durable. Flattop technology creates a quieter, longer lasting chain for long rides and countless shifts. The Force chain is compatible with 12 speed road and 13 speed gravel cassettes. What if you could add range to your drivetrain while also smoothing the gear progression with smaller differences in tooth count between neighboring gears? And what if you could gain that without losing drivetrain