X-PRO
X-PRO 300 EFI Dirt Bike with Big 21"/18" Wheels! 6-Speed Manual Transmission! Balance Shaft and Dual Overhead Camshaft (DOHC) with Four Valves Engine!
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies X-PRO 300 EFI Dirt Bike with Big 21"/18" Wheels! 6-Speed Manual Trans… as a niche pick — read recent reviews before buying in the retro software & media category, based on 10 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. X-PRO's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for retro software & media of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by X-PRO's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Below-average customer rating — read recent reviews before buying
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Please kindly noted this bike cannot be sold to California.***Kindly be aware that the Manufacturer Statement of Origin (MSO) and Bill of Sale paperwork will be sent to you by separate mail.
- 【Powerful 292.4CC Engine】Loncin KE300 Water-cooled EFI Engine with Balance Shaft and Dual Overhead Camshaft (DOHC) with Four Valves:</span> with power up to 25W.
- 【Front Inverted Adjustable and Rear Adjustable Shock Absorption】Which can be adjusted to SOFT or HARD，which provides you greater stability at high speeds.
- 【Aluminum Alloy Accessories】Fully surrounded aluminum alloy engine guard, all aluminum alloy rear flat fork, aluminum alloy rear cradle, aluminum alloy foot brace, and 7 series aluminum alloy CNC rear sprocket.
- 【FMF Stainless Steel Muffler】 Reduce engine exhaust noise and enable high-temperature exhaust gas to be discharged safely and effectively!
- 【Some assembly required】 Include Rear Shock,Handle bar, wheels, brakes, hub odometer counter，and battery. Please refer to our assembly video.
Full Specifications
| Size | Large |
|---|---|
| Brand | X-PRO |
| Color | Blue |
| Material | Plastic |
| Model Name | DB-KK31 |
| Part Number | DB-K031 |
| Number of Items | 1 |
| Included Components | Dirtbike |
| Warranty Description | 1 month |
Ready to buy?
X-PRO 300 EFI Dirt Bike with Big 21"/18" Wheels! 6-Speed Manual Transmission! Balance Shaft and Dual Overhead Camshaft (DOHC) with Four Valves Engine! is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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