D.3.1. high-speed-drive standard version with 27 t. chainringD.3.1. high-speed-drive Standardausführung mit 27-zähnigem Kettenblatt

The standard version is equipped with a 27 t. chainring, that equals a 67t. chainring in high-speed - mode. This chainring comes with an integrated trouser guard. It is made of high-quality and very strong 7075 aluminum and has passed an anodic oxidation treatment. This set-up provides high strength combined with low weight and high wear resistance.

The chainring can be exchanged after removing the right crankarm and unscrewing the 6 Torx screws.

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