SPEEDi for Trek

The 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-bile speed limit by 1.5

SPEEDi E-Bike Limit Speed Increaser for Trek
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Please select your bike below

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.

When you change your selection below, the reference images will change to display your chosen hub. Please match the number in the picture with the number on your hub, If your hub is not the one in the picture, contact us so we can get the right SPEEDi for you.

If your bike isn't listed below, fill out a SPEEDi request form here.

This product is currently on backorder and is expected to be shipped around 27th November

Bike: 2020 - 2021 Rail 5

2020 - 2021 Rail 5
2020 - 2021 Rail 5
2021 Rail 9.5
2022 - 2023 Rail 5 + 9.5
2020-2023 Rail 7+9+9.7+9.8+9.9
2021 - 2022 Powerfly 5
2020 - 2022 Powerfly 7
2021 - 2022 Powerfly FS 7
2021 - 2022 Powerfly FS 9
2021 - 2022 Powerfly FS 9 Equiped
2021 Powerfly 4
2021 - 2022 Powerfly FS 4
2023 Fuel EXe 9.5
2023 Fuel EXe 8 + 9.7 + 9.8 + 9.9
2022 - 2023 Powerfly 4
2023 Powerfly FS 4
2023 Domane+ SLR6 + SLR7
2023 Domane+ SLR9
2022 Domane+ LT Gen 2

Hub: Bontrager Boost 148 539085

Bontrager Boost 148 539085
Bontrager Boost 148 539085
Bontrager Boost 148 1049813
Bontrager Rapid-drive 54T and 108T
i9 Hydra
DT Swiss (except EXP, please ask for this)
Hope Pro4
Bontrager Boost 148 1048720
Bontrager DT Swiss 350
Bontrager DT-Swiss EXP CL
Bontrager Formula CL-148S

Disc: Any 6-bolt

Any 6-bolt
Any 6-bolt
Any Center-Lock
$102.00 USD