Speedbox 3.1 B.Tuning Kit for Specialized eBikes
Speedbox 3.1 B.Tuning Kit for Specialized eBikes
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- Works with all Specialized brand eBikes with a Mastermind or LED TCU (excludes Gen4 Levo)
- Please note, it will only fit ebikes with TCUs on the top tube (see image)
⚠️ For off-road use only. Not legal on public roads. Read full legal disclaimer.
Product Benefits
Product Benefits
Why choose this product:
- Premium bluetooth version, control your Speedbox, set a custom max speed & track your rides all via the easy to use Speedbox app
- Fitted to the motor in minutes for a true plug & ride experience
- Simple activation, can be switched off at any time using the Speedbox app
- Completely removes 15mph restriction, also works with US spec ebikes with 20mph limit
- All ride modes work exactly the same, including ‘walk mode’
- Lifetime warranty with all Speedbox tuning kits
Shipping & Returns
Shipping & Returns
We ship fast and free to the UK with Royal Mail. Shipping rates for the USA, Australia & Canada are shown clearly at checkout – no hidden fees
🇺🇸 We cover all US import paperwork for you and ensure no surprise bills on delivery. Just one flat fee of $39 USD
🇦🇺We cover all AU import paperwork for you and ensure no surprise bills on delivery. Just one flat fee of $39 AUD
🇨🇦 Orders to Canada may incur customs charges on delivery
Changed your mind? No problem. We offer 30-day returns — no hassle, no stress.
If something’s not right, we’ll sort it.
🔍 See full Shipping & Returns info here
Compatibility
Compatibility
- Works with all Specialized brand eBikes including SL versions
- Does not work with Specialized SL models with Mastermind TCU. Eg; Turbo Levo Comp SL with Mastermind TCU
Warranty
Warranty
In the unlikely event your product develops a fault or defect. We will replace it under warranty. All Speedbox products come with a lifetime warranty.
To claim under warranty, simply contact us here
Great product and easy transaction
Great service on your part and it makes my bike fast and unlimited, which comes in handy on more open trails
When pushing past the limit this box allows the 2023 lturbo levo , to stop having that feeling of a governer
This has changed how the bike operates, no longer fighting with the motor bringing it down to 25km
Bought two speed boxes for my turbo levos and absolutely love them. No more stressing about going fast enough to hit the jumps. I would totally recommend getting one if you are having trouble getting speed past the 20klm limiter.