Prickly Direct Mount Stem for 31.8mm Handlebars
Designed for the Surron and other heavy e-moto bikes, the Prickly 31.8mm direct mount stem has a 25mm rise and 40mm reach. The 31.8mm clamps with 80mm of width give solid rigidity and a comfortable, aggressive riding position.
✅ BIKE FITMENT
For bikes running 31.8mm handlebars with a fork that has standard direct mount holes (Fox, Manitou, EXT MX, RST, DNM, DVO, KKE and more).
- Surron Light Bee X (2017–2024, 2025, 2026)
- Surron Light Bee S
- Segway X260
- Talaria Sting MX3 / R MX4 / MX5
- Talaria XXX / XXX Pro
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E-Ride Pro S / SS 1.0 / SS 2.0 / SS 3.0 / 4.0 / SR – does not fit with the OEM display. Use a new display mount or modify the stock one (cut off half the display mount).
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79Bike Falcon M – does not fit with the stock display
- 79Bike Falcon Pro / Falcon Lite / Falcon GT / Lynx
- Ventus One / One Plus / One Plus EVO
- Rerode R1 / R1 Plus
- Arctic Leopard XE / XE Pro R
- Vetra Blazer
- Zero XB
- Rawrr Mantis X
- Apollo RFN
- Beta Explorer
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Tork Pro Sport – does not fit with the stock light bracket
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Throne Srpnt – does not fit with the stock display mounts
Note: Fits 31.8mm bars only. Swapping from a stock stem requires fork tube trimming and headset spacers.
Choose Your Color
Silver or Black – same stem, same specs. Pick the finish that matches your build.
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What's Included: Stem and hardware (see below)
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Not included: Handlebars, display mount, headset spacers
Features
- Custom machined from 7075 aluminum
- For 31.8mm handlebars
- 25mm rise, 40mm reach
- 80mm wide clamps for solid rigidity
- Weight: 107g
- Stainless hardware included
What's Included
- 1x 31.8mm direct mount stem (bottom clamp and two top clamps)
- 4x Stainless M5 clamp bolts
- 4x Stainless M6 mount bolts
Direct mount stem only – bars sold separately.
Frequently Asked Questions
Will this fit my stock handlebars?
Yes, if your bars are 31.8mm. The stock Surron Light Bee bar is 31.8mm. For 35mm bars, see the Prickly 35mm Direct Mount Stem.
Does it fit my fork?
It fits forks with standard direct mount holes, including Fox, Manitou, EXT MX, RST, DNM, DVO and KKE.
Do I need anything else to install it?
When swapping from a stock stem you'll need to trim the fork tube and add headset spacers.
Will my E-Ride Pro display still fit?
Not with the OEM display mount. Use a new display mount, or cut off half of the stock display mount.
What are the rise and reach?
25mm rise and 40mm reach.
