Carrot Tread

Ultralight Chain Guide Produced by selective laser sintering 3d printing Just add mounting nuts and screws Different clamp options Weights only 18g! Strong enough for all-mountain use

Seat tube mounted chain device with amazing 18 g weight yet strong enough to survive all-mountain use.

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Prototypes story, part 3: Breakage and Repair

How first prototype was broken and got repaired with extrusion-type 3d printing process.

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