SPEEDi for Trek Powerfly FS 9 Equiped (2021 - 2023) tube A floating rotor has the

A floating rotor has the ability to conform to the brake pads giving maximum rotor to pad contact

Aluminum black anodized center

Disassembly of our tuning chip is just as easy

Weight is only 241gr a pair

Sport3 from model year 2022 onwards

SPEEDi for Trek Powerfly FS 9 Equiped (2021 - 2023) tube A floating rotor has theThe 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