Topeak MODULA II Frame Mount Alloy Bottle Cage Black Compatio_Enriched It features all smart functions

It features all smart functions (except descent simulation) as long as you keep cycling

High heat dissipation by radiator fin

A helmet mounted taillight is an ideal way to help make sure you are seen in low light conditions

Bump Stopper

52mm 36x45 lower bearing

Topeak MODULA II Frame Mount Alloy Bottle Cage Black Compatio_Enriched It features all smart functionsInnovative diameter adjustment system carries traditional bottle sizes and adjusts to fit store bought bottled water, sport bottles, or travel mugs, just push a button and slide to fit. Rubber cage pads protect bottles and prevent rattling Constructed of engineering grade plastic and aluminum Dimensions: 3. 4 x 3 x 6. 2" Outer Diameter Fits 60 74mm