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Easy Installation: Installing the seat risers is a breeze
The wheel circumference is adjustable (+/-10%) to improve the accuracy of the speed display and distance measurement
Replacement handlebar grips for Surron Ultra Bee
going with a new OEM/stock seat is always a great choice
The maximum speed of an electric assistance can be switched by pressing WALK button shortly or by turning the rear wheel 360°
SPEEDi for Trek Domane+ LT Gen2 - (2022) Yamaha PW-ST Easy Installation: Installing the seatThe 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