Pay in 4 interest-free payments of $29.75 Learn more
Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
SpeedBox also works on e-bikes without an enabled WALK assist function
- Show MasterMind TCU data (biker power
Even more important
Compatible with:
Gen3 or Gen2 without Smart System
SPEEDi for Trek Powerfly FS 4 (2023) Brakes SpeedBox also works on e-bikesThe SPEEDi is an e bike speed limit increaser. Designed, tested and manufactered in New Zealand, our SPEEDi uses a mechanical planetary gear system to increase your standard e bike speed limit by 1. 5. Please note that the SPEEDi is very specific to the chosen Bike, Hub and Disc setup. Please don't assume that because your bike is similar it will fit, as it likely won't. If you're not 100% sure, please contact us. Please refer to the Hub picture
US$ 164.15
US$ 29.80
US$ 19.16
US$ 30.53
US$ 24.35
US$ 20.24
US$ 64.79
US$ 21.63
US$ 18.20
US$ 20.24
US$ 79.95
US$ 159.95
US$ 102.95
US$ 108.97
US$ 134.47