In the world of mini and pit bikes, one name surfaces consistently when performance and reliability are the priority: tbparts. Since its establishment in 1995, TBparts has been dedicated to supplying high-quality aftermarket and restoration parts for 50cc to 125cc bikes and has carved out a niche among hobbyists and competitive riders alike. At its core, tbparts stands out as an online warehouse distributor that has consistently refined its offering for two decades, ensuring that mini-bike riders have access to parts that meet or exceed OEM standards.
One of the reasons tbparts has gained trust is its commitment to sourcing components manufactured to their specifications. As the company explains, its big bore kits and other performance parts are made in Taiwan (not China, as some competitors claim) using many of the same manufacturers as major Japanese companies.
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This means that when you order from tbparts you’re not just buying a generic item — you’re buying something built with serious attention to quality and reliability.
The range of offerings at tbparts is vast: the catalog covers over 20 categories of parts for models such as the Honda Z50/Z50R, the Honda XR50/CRF50, the Honda CT70/SL70, Kawasaki KLX110, Z125, and electric pit-bike models.
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Whether you’re restoring a vintage mini trail bike or upgrading a modern 125cc pit machine, tbparts provides everything from stock replacement components to high-performance bolt-on kits.
For instance, tbparts offers a 149cc big bore kit and injector for the 2022+ Honda Grom/Monkey 125, which includes a forged high-compression piston, aluminum cylinder with steel sleeve, and tuning requirements.
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That level of detail shows the company doesn’t just sell parts — it designs them for real performance gains.
Beyond product design, tbparts emphasises transparency in its operation. The company highlights that its parts ship directly from the manufacturing facility, bypassing many middlemen so that cost savings reach the consumer.
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That means when you buy from tbparts you’re getting value: performance parts built to spec, and competitively priced.
Customer feedback reinforces the positive experience. Reviews note rapid shipping, accurate orders, and parts that fit well. For example, one review stated:
“The parts I ordered from tbparts.com arrived promptly and were exactly what I needed. The website was user-friendly, making it easy to find the parts and place my order.”
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On the other hand, aggregated ratings show a mixed picture — for example, one site indicated an average rating of 3.8 out of 5 for tbparts.
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That suggests while many users are very satisfied, as with any aftermarket business, expectations and experiences vary.
Importantly, tbparts supports both vintage and modern motorcycles. Their section on Honda tech explains that performance parts install exactly like OEM parts; the installation instructions emphasise correct piston ring gap, cam timing, and valve lash settings to avoid engine damage.
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This shows the company knows serious riders may be doing the work themselves, and provides guidance accordingly.
Another example of their modern product focus: for the Honda Grom, tbparts became a leading source of parts and accessories. A spokesperson noted that “when you own a Honda Grom you are going to need parts on a regular basis. We are happy to be a resource for Honda Grom parts that can be counted on and that won’t break the bank.”
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That statement captures the dual aim of performance and affordability that tbparts pursues.
For those considering a purchase from tbparts, there are a few practical tips. First, since many parts are performance upgrades rather than stock replacements, installation often requires mechanical skill or professional help — especially when doing bore kits, camshaft upgrades or manual clutch conversions. The company itself recommends technicians or local dealers when appropriate.
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Second, read the model compatibility carefully: many of their parts are labelled clearly (for example “Honda — CRF50”, “Kawasaki — KLX110”) and they include reference info to avoid mis-fits.
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Lastly, keep in mind shipping: while tbparts is a US-based company (Hampstead, Maryland)
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international customers should check shipping policies and duties before ordering.
In summary, if you’re riding a small displacement trail, pit or street mini bike and you want to upgrade performance, restore a classic or simply maintain your machine with reliable parts, tbparts deserves serious consideration. Their long tenure, focused product range, quality manufacturing relationships and positive customer reviews make tbparts a go-to resource in the mini bike parts world.