E*thirteen Helix R e*spec C-ring Bosch Gen 4 32t -Black ModelNumber=K6057 4 ISO Width (mm) 60

4 ISO Width (mm) 60 Flat Protection Tread and Sidewall ISO Diameter 622 / Road / 29"

Drivetrain Speeds 8 Defined Color Black Spoke Interface J-Bend Rear Axle 10x1 Threaded x 135mm Hub Drilling 32 Flange Diameter 92

HTZ rim walls are 25-30% thicker in comparison to those of standard rims

Disc Brake Adapters

E*thirteen Helix R e*spec C-ring Bosch Gen 4 32t -Black ModelNumber=K6057 4 ISO Width (mm) 60Direct Mount chainring for a variety of E Bike fitment Updated M3 narrow wide tooth profile eliminates chain noise, and decreases overall system wear while retaining chain An alloy outer dust cover helps to prevent contamination 11 12 speed. Compatible with both Shimano and SRAM 12 speed drivetrains 53mm chainline to support dropping a chinring size to take advantage of e*thirteen 9t cassette cog TECH SPECS model Helix R e*spec 13mm Offset ring type