FSA Orbit IS-2A/IS-3 Top Cover 1-1/8" Alloy ModelNumber=K9901 Leveraging Turbulent Aero technology the

Leveraging Turbulent Aero technology the 40/44 GR features a 40mm front paired with a 44mm rear establishing it as the fastest and most stable Reserve gravel wheelset to date

Optimized for 12-speed Flattop chains

Strong and lightweight handlebar minimizes arm pump and vibration while maximizing steering response

Supersonic tubes are further optimized for even lower weight and rolling resistance due to their thinner material and construction

Rear Der/Shifter Compatibility Shimano DynaSys Shifter Style Trigger Drivetrain Speeds 11 Weight 135 Color Black

FSA Orbit IS-2A/IS-3 Top Cover 1-1/8" Alloy ModelNumber=K9901 Leveraging Turbulent Aero technology theFSA Orbit IS 2A IS 3 Top Cover 1 1 8" Alloy Black. FSA Headset Top Caps