ALUGEAR 2x Aero Chainring for Shimano GRX - Black Groupe Time is saved even once

Time is saved even once the tubular (glued with Carogna) has been removed

The HANZŌ time trial bike pushes right up to the limits of UCI design regulations to make it among the fastest UCI-approved TT bikes in the world

Up to 28mm Rim Width Compatibility

For modern disc brake bicycles

it is equally suitable for racing events

ALUGEAR 2x Aero Chainring for Shimano GRX - Black Groupe Time is saved even onceChainring set 2 speed ROUND AERO for Shimano GRX FC RX820 2 (12 speed), FC RX810 2 (11 speed) Specifications Intended to use: 2X 12 speed and 2X 11 speed for Gravel bike Optimum chainring combinations: 46 32; 48 34 Mounting position: outside 46T; 48T; inside 32T; 34T Bolt circle diameter: 110 mm Shimano Asymmetric (GRX versions outer chainrings), 80 mm Shimano Asymmetric (GRX versions inner chainrings) Attachment: 4 arm spider Material: Aluminum 7075