Classified Aero Chainring - 52t DropStop ST HG+ KMC 12-Speed Chains BLK Model=CenterLine Center Lock Disc Rotor 2-position mechanical post that locks J593721 Rail Length:145Mm RaceFace Chester Stem 50mm MFPN=30355427125

Classified Aero Chainring 52t DropStop ST HG+ KMC 12 Speed Chains BLK Model=CenterLine Center Lock Disc Rotor 2 position mechanical post that locks J593721 Rail Length:145Mm RaceFace Chester Stem 50mm MFPN=30355427125 2 position mechanical post that locks at the top and bottom only Length 380 Travel (mm) 100 Cable Routing Internal Adjustment Indexed Max Height 380 Material Aluminum Clamp Style Standard Rails Offset (mm) 0 Color Black Anodized Min Height 280 Actuation Cable Remote Diameter 30 Multi position design for optimal aerodynamics regardless of the angle of the head Aero Blade™ with Injected Carbon to reinforced structure and improve aerodynamics Acti Cage™: foamed in structural reinforcement Forced Air Cooling In mould construction w under shell coverage Zoom™ Spin adjustment system Ponytail Fit Front Eyewear Port Floating Pad system Stitched Flow Straps™ Pro aerodynamic straps In mould construction Classic Push in buckle strap closure