microSHIFT Estes Thumb Tap Shifter - Left Double Optical Gear Indicator BLK MFPN=IBRR9200A82 5mm outer/25mm inner width) features

5mm outer/25mm inner width) features a tubeless friendly bead shelf

}Promax Sport S1 Disc Brake Rotor - 180mm 6-Bolt Silver

Battery™ energy monitoring

Smart Connect technology allows the front light to control the rear when paired

microSHIFT Estes Thumb Tap Shifter - Left Double Optical Gear Indicator BLK MFPN=IBRR9200A82 5mm outer/25mm inner width) featuresmicroSHIFT Estes Thumb Tap Shifter Left Double Optical Gear Indicator Black. With a solid lever throw and crisp engagement responsive shifting is just a click away. microSHIFT Estes left thumb tap shifters are designed with a precision and durability not usually seen in entry level shifters. And the fact that theyre compatible with standard Shimano front derailleurs makes them an easy path to upgrade. TECH SPECS Double or Triple DoubleDrivetrain