Connex E-Bike Sprocket 19T chainring MFPN=4B-SN3180040-101-0009-AM this allows for central mounting

this allows for central mounting position on the bike

model OneUp description 15x110mm front hub end cap kit

} 34mm outer diameter with plush cushioning throughout for the ultimate in comfort

}Wheels Manufacturing Derailleur Hanger 370

Developed and tested using Turbulent Aero technology the 42/49 is designed for everything you do providing all-day capability with aerodynamic sensibilities

Connex E-Bike Sprocket 19T chainring MFPN=4B-SN3180040-101-0009-AM this allows for central mountingReplacement sprockets for use with Bosch E bike drivetrains. High quality manufacturing and hardening processes make the Connex sprockets for Bosch `new era` E bike series extremely resistant. Perfect for the Performance Line CX Performance Line and Active Line drive systems. 1 2` x 3 32` TECH SPECS Mount Compatibility Bosch Teeth 19T Type Material Spec 1. 9mm Color Silver Chain Compatiblity 1 2x3 32` Tooth Type Standard Weight Offset