Warp 9 Stem Lock for E-Motos - Talaria, Surron, E-Ride Pro, 79Bike - Handlebar Stem Lock for Bar Mount, Stem Cap, Stem Spacers, Stem Bolt - Multiple Color Options - Electric Bike Part
Condition: New
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 3 left in stock, order soon!
Arrives
Sunday, Dec 14
Recently Viewed
Color: Blue
Features
- COMPATIBILITY: This Warp 9 Stem Lock is compatible with a variety of E-Motos including Talaria Sting, Talaria XXX, Surron Light Bee, E-Ride ProSS, 79Bike Falcon M (with Warp 9 direct mount stem), and Segway x260.
- VERSATILITY: includes 5 steering tube height spacers in 20mm, 15mm, 10mm, 5mm, and 3mm sizes.
- NO MORE LOOSE HEAD BEARINGS: Tired of fighting your head bearings coming loose? Chances are the OEM star nut keeps walking up the steering tube. The Warp 9 Stem Lock kit includes a threaded rod that runs the full length of the steering tube, compressing the lower triple clamp to the upper triple clamp ensuring your head bearings stay tight.
- MULTIPLE COLOR OPTIONS: Match your bike style with one of our many color options. Color options include black, blue, red, gold, purple, and magnesium.
- SMOOTH RIDING EXPERIENCE: If your bearings become loose or damaged you will notice the steering and handling of your bike will be greatly impacted, possibly resulting in your bike becoming dangerous to ride. The Warp 9 Stem lock fixes this issue and ensures you have a safe, smooth, and enjoyable ride.
Material: Metal
Brand: Warp 9
Item dimensions L x W x H: 8.5 x 4 x 1.25 inches
Color: Blue
Style: Industrial
Item Weight: 152 Grams
Manufacturer: Warp 9
Material: Metal
Brand: Warp 9
Item dimensions L x W x H: 8.5 x 4 x 1.25 inches
Color: Blue
Style: Industrial
Item Weight: 152 Grams
Manufacturer: Warp 9
Item Weight: 5.4 ounces
Product Dimensions: 8.5 x 4 x 1.25 inches
Item model number: Stem Lock
Batteries Included?: No
Batteries Required?: No
Date First Available: October 3, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Dec 14
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Black
If you are buying this, I assume you already know what it does and how it works. We replaced our traditional stem lock (star nut) with this one. We find these to be more solid and easier to work with when doing repairs or tinkering with your fork and handlebars. Tightens up very well. Don't over tighten though. Not clear on what this is made of but it is super lightweight.
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Reviewed in the United States on November 20, 2024 by Palsboss
Color: Black
Great fit on ERIDE PRO SS 2.0.
Reviewed in the United States on August 6, 2025 by Brown blooded Brown blooded
Color: Black
One of the must do Mods for the average EBike. Keeps the steering stem Bearings tight and the steering head tight and correct. Otherwise damage can happen if it gets loose without this Stem Lock. Comes with Anti Sieze/Copper Never-Seize for the long main bolt so there's no corrosion down the road
Reviewed in the United States on September 6, 2024 by AntF1551 AntF1551
Color: Black
Easy install
Reviewed in the United States on October 12, 2025 by Michael
Color: Blue
These are insanely strong. Used on an Eride which already has a stem lock but this is way thicker. You can get these for less without the warp 9 logo but you’re not really saving that much. Kit comes with many spacers and for en Eride pro it’s everything you need to replace all the OEM parts entirely. Pretty sure all the e-bikes are the same.
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Reviewed in the United States on November 18, 2025 by Cylon6
Color: Black
This should have been the first thing I did to my eride pro ss 2.0. It makes your head set feel really snug and smooth.
Reviewed in the United States on February 28, 2025 by Rob
Color: Magnesium
Arrived fast, and was just what I needed to get my headset to tighten up. I replaced both bearings thinking that was what was making my headset loose and was pretty disappointed when it was still loose. Turns out my star nut was just worn out. The stem lock fixed my issue, and i think it adds a cool look of personality to the bike. 10/10 would recommend. easy install even with the stock bar mount.
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Reviewed in the United States on April 17, 2025 by Josh Jones
Color: Red
Fits my Talaria MX3 with Fastace Forks perfectly with the smaller adapter. Handlebars/stem feel solidly locked in for hard riding.
Reviewed in the United States on November 4, 2024 by Jamborghini