VTUVIA half-twist throttle with its grip and cable, headlined “Half-twist throttle”
Quick answer

The VTUVIA half-turn handle is the half-twist throttle for the SF20, the earlier non-UL SF20H and the SK20. It is $39, with free shipping to the lower 48 and US support.

Buy it — $39

free shipping to the lower 48 · opens checkout

What you get with this ebike half twist throttle

The UL SF20H we sell uses a thumb throttle, not this part.

Pairs with Display for SF20, Old SF20H, Kangaroo, SK20 and SK200.

Fitment

VTUVIA lists it model by model, so match the row to the model on your frame before you order.

Listed for SF20, the earlier, non-UL SF20H, SK20
Check on your bike A twist throttle on your current bars
The half-twist throttle with its grip and spacer
The half-twist throttle with its grip and spacer
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Half-Twist Throttle · dispatched within 1–3 business days

Why buy it from Redtail

Free shipping

We cover shipping to any address in the lower 48. Our shipping policy.

Pay over time

With Shop Pay, a $39 purchase could be split into 2 interest-free payments of $19.50 every 2 weeks.

Rates from 0-36% APR. Payment options through Shop Pay Installments are subject to an eligibility check and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. State notices to consumers: affirm.com/licenses.

Warranty and damage claims

If it arrives damaged, note it with the carrier and send us photos within 48 hours: we file the claim with the carrier and arrange a replacement or repair. Where VTUVIA's warranty applies, our US support desk coordinates the claim with VTUVIA, so you are not the one writing to a factory. Our returns policy.

Buy it and pay over time

2 interest-free payments with Shop Pay

Frequently asked questions

Will this fit my bike?

VTUVIA lists this part for SF20, SK20, the earlier, non-UL SF20H, model by model. If your model is not in VTUVIA's list, or you are not sure which version you have, call (213) 444-4020 and we will check it with VTUVIA before you order.

How long does it take to arrive?

Orders are prepared and dispatched within 1–3 business days of confirmation. You get a tracking number by email the moment it ships, and a part ordered with a bike may ship separately, on its own schedule.

How much does it cost to ship?

Nothing to an address in the lower 48. Alaska, Hawaii, U.S. territories, P.O. boxes and remote areas may cost extra or be excluded, so contact us before you order.

Can I return it?

Our returns policy applies to parts and accessories as it does to bikes; read it before you order a model-specific part, and check the fitment table twice.

Buy it — Shop Pay accepted

Card or PayPal works too

What’s next after you order

Orders are prepared and dispatched within 1–3 business days of confirmation. You get a tracking number by email when it ships.

  1. Confirmation. Your order confirmation arrives by email.
  2. Ordering with a bike? Parts and accessories may ship separately, on their own schedule.
  3. If anything is wrong. Call (213) 444-4020, and we help you file the claim with VTUVIA.

See the rest in the VTUVIA parts collection, with every e-bike part we sell beside it; the VTUVIA bikes we sell are in the VTUVIA collection, and our e-bike brands guide measures VTUVIA against every other brand we carry.

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Half-Twist Throttle · $39

How we verified this page. We checked every figure on it against VTUVIA's own listing for this item (vtuviaebike.com/products/vtuvia-sf20-half-turn-handle), read on September 19, 2026, and the fitment table repeats VTUVIA's own model list. Prices and stock were read the same day.

Verified by Milad Ghobadibeygvand, BScN (Western University, 2014). Found something that does not match VTUVIA's current listing? Email support@redtailebikes.com and we will correct it.

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At Redtail eBikes, we go beyond just selling ebikes. We're dedicated to offering the best customer service and support to ensure you're fully satisfied. Your happiness is our priority, and we're here to make your experience as smooth as your ride.