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Genuine Honda Top Steering Stem Bridge 53230-405-000
Genuine Honda Top Steering Stem Bridge 53230-405-000
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Product Description
Factory-original cast aluminum upper steering stem bridge (top triple clamp). Fits across the upper fork tubes and central steering stem pipe, securing the top front fork alignment and providing the mounting base for the handlebar clamps and ignition switch/instrument cluster assembly.
Item Condition Note: This item is Brand New (New Old Stock - NOS) and has never been installed or used on a vehicle. However, because it was stored out of its original box/packaging over the years, it may show minor shelf wear, light surface scratches, or cosmetic storage marks. Overall mechanical condition and structural integrity are 100% factory original.
Vehicle Compatibility
Standard factory fitment for classic Honda twin-cylinder platforms:
| Make | Model | Model Year Range | Application |
| Honda | CM200T Twinstar | 1980–1982 | Top Steering Stem Bridge |
| Honda | CB250 / CB250N / CB250T | 1978–1982 | Top Steering Stem Bridge |
| Honda | CM250C Custom | 1982–1983 | Top Steering Stem Bridge |
| Honda | CB250 Nighthawk | 1991–2008 | Top Steering Stem Bridge |
Fitment Details
Support the front of the motorcycle securely. Unbolt the handlebar top clamps, instrument cluster, and ignition switch from the upper bridge. Loosen the top fork pinch bolts and central steering stem pinch nut. Slide the old upper bridge off the fork pinch tubes and steering column, position the new unit into place, and torque the main steering stem nut and fork pinch bolts to factory specification before reattaching handlebars and instruments.
Important: Please ensure the part number matches your motorbike before purchasing. If you have any questions about the sticker or its compatibility, feel free to contact us. We’re here to help!
At Dmmotorcycles, we’ve specialized in vintage and vintage sports motorcycles and parts directly from Japan since 1998. We stock a wide selection of rare genuine and high-quality aftermarket parts and continually update our inventory to meet growing demand.
Looking for a specific part? Don’t hesitate to ask! We may have it in stock even if it’s not listed online. If not, we’ll do our best to source it for you.
We’re also happy to provide guidance on installation and offer excellent after-sales support to ensure your satisfaction.
Shipping Information
We ship worldwide, carefully inspecting and securely packing all parts to ensure safe delivery. Your order will be insured and shipped quickly, with the best available shipping option chosen for speed and reliability.
Please note:
- All parts are shipped from Cyprus (Europe).
- Customers outside the EU may incur additional import taxes based on the value of the item.

How we handle your order in 4 steps
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1. Order Verification
We confirm the order and make sure the correct part number, quantity, and any special requests match what’s on the sales confirmation
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2. Quality Check
Since our parts are new old stock we Inspect the parts for any defects, scratches, or missing components to ensure it meets quality standards. otherwise will notify you before proceeding with the order.
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3. Safe and Secure packaging
- Protective Wrapping: We use bubble wrap or foam padding to wrap the part, focusing on sharp edges or delicate components.
- Boxing: We place the wrapped part inside a sturdy box, filling gaps with packing materials to prevent movement.
- Sealing and Labeling: Securely tape the box and attach the shipping label, including orientation-specific markers like "Fragile."
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4. Finalizing of Shipment
We confirm the shipping address and contact details, give the package to the Post, keep the tracking number, and then send it to the customer along with the shipment notification.