SRAM X-Sync Chainring 42T 110mm Asymmetric BCD Black MFPN=11A00577 the darker the lens to

the darker the lens to keep you performing at your best no matter the conditions

Material Aluminum Nipple Length 16mm Primary Color Black

Battery Type Lithium Ion Connectivity ANT+ BT Customizable Screen Yes GPS Yes Heart Rate Monitor Yes Primary Color Black Touchscreen No External Sensor Compatibility Speed/Cadence/HR Wristband Black - Silicone Watch Color Black Solar Charging No

Weight:  24g (including all hardware)

SRAM X-Sync Chainring 42T 110mm Asymmetric BCD Black MFPN=11A00577 the darker the lens toSRAM X Sync Chainring 42T 110mm Asymmetric BCD Black. SRAM X Sync chainrings feature tall teeth with alternating tooth profiles that hold the chain amazingly well and still provide space for mud to clear. Full CNC AL rings TECH SPECS Tooth Count 42 Ring Position Type Chain Retaining Single Ring Drivetrain Speeds 10 Drivetrain Speeds 11 Chainring BCD 110 SRAM Asymmetric Color Black Defined Color Black Material Aluminum