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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
front flips
You do not need to activate it
The CNC machined surfaces stay shiny and contrast the anodized metal
The chip can be easily deactivated by turning on the lights
stretching material
SPEEDi for Trek Powerfly 4 (2021) speedbox front flipsThe SPEEDi is an e bike speed limit increaser. Designed, tested and manufactered in New Zealand, our SPEEDi uses a mechanical planetary gear system to increase your standard e bike speed limit by 1. 5. Please note that the SPEEDi is very specific to the chosen Bike, Hub and Disc setup. Please don't assume that because your bike is similar it will fit, as it likely won't. If you're not 100% sure, please contact us. Please refer to the Hub picture