We recommend the THE BEAM CORKY URBAN for flat-bar commuters who want a small rearview mirror they can fold away between rides. Its 35 mm convex mirror rotates through 360 degrees, and the package includes an expansion-bolt mount plus a silicone mount. Buy only after checking the listed 18–23 mm bar-end fit and the room around your grips and controls; no listing can guarantee a useful view from every riding position.
Where it fits.
What stands out
- The package includes both an expansion-bolt mount and a universal silicone mount.
- The flip-out mirror rotates through 360 degrees, so riders can adjust it around their cockpit layout.
- A 35 mm mirror keeps the rearview accessory compact for flat-bar setups.
Before you buy
- Check the listed 18–23 mm expansion-bolt fit and bar-end clearance before ordering; existing plugs or accessories may conflict.
- A 35 mm mirror favors a compact setup over a large reflected area; compare a larger mirror if viewing area is the priority.
- The product listing does not establish the useful rearward view from your own riding position or handlebar layout.
The useful details.
Manufacturer specifications checked October 30, 2026. Specifications can vary by configuration.
| Mirror type | 120-degree convex (manufacturer-listed) |
|---|---|
| Mirror diameter | 35 mm (manufacturer-listed) |
| Adjustment | 360-degree rotation (manufacturer-listed) |
| Mounting options | Expansion-bolt mount and universal silicone mount (manufacturer-listed) |
| Expansion-bolt fit | Handlebars Ø 18–23 mm (manufacturer-listed) |
| Materials | ABS body, polycarbonate (PC) glass, steel bolt (manufacturer-listed) |
| Included | Rearview mirror, silicone mount, ABS body and expansion-bolt mount, two six-angle wrenches |
Source: THE BEAM product page ↗.
Check the fit at the bar end
THE BEAM sells the CORKY URBAN as a flat-bar rearview mirror. The product page lists an expansion-bolt mount for 18–23 mm handlebars and includes a silicone mount as an alternative. That gives commuters two attachment options, but it does not confirm that every bar-end plug, shifter or accessory will fit alongside the mirror. Check your handlebar-end size and available clearance before choosing how to mount it.
Choose it for a compact, adjustable view
The mirror is 35 mm across and described as a 120-degree convex surface that flips out and rotates through 360 degrees. That combination suits riders who want a small mirror they can adjust or fold away with the cockpit. The size is also the main compromise: compare a larger mirror if reflected area matters more than a tidy bar end, and confirm the view from your own riding position.
Keep the single-item price and partner code separate
On October 30, 2026, THE BEAM’s France storefront displayed the single CORKY URBAN option at €36.00 with tax included and said it was in stock and shipped immediately; the official product feed marked the exact variant available. The page also showed separate multi-mirror offers. Bike Tested’s owner-supplied partner record lists code SEBASTIAN for 5% off. No after-code amount is shown; confirm the final item total and delivery terms for your destination before ordering.
Your questions, answered.
Who should choose the THE BEAM CORKY URBAN?
We recommend the THE BEAM CORKY URBAN for flat-bar commuters who want a small rearview mirror they can fold away between rides. Its 35 mm convex mirror rotates through 360 degrees, and the package includes an expansion-bolt mount plus a silicone mount. Buy only after checking the listed 18–23 mm bar-end fit and the room around your grips and controls; no listing can guarantee a useful view from every riding position.
Which handlebar size fits the expansion-bolt mount?
THE BEAM lists a fit of 18–23 mm for the expansion-bolt mount and includes a silicone alternative. Check your bar-end size and clearance; the listing does not confirm compatibility with every plug, shifter or handlebar accessory.
How does the CORKY URBAN mirror adjust?
THE BEAM describes a 120-degree convex mirror that flips out and rotates through 360 degrees. The mirror itself measures 35 mm across; how much useful rearward view it gives depends on your cockpit and riding position.
What did THE BEAM list for the France option?
On October 30, 2026, the official France storefront displayed the CORKY URBAN single-mirror variant 39864269570142, SKU BEAM-BM0021-RETR, at €36.00 with tax included and marked it in stock. The product feed also returned the variant as available. Price and stock can change.
What is the discount code for the THE BEAM CORKY URBAN Flat-Bar Rearview Bike Mirror?
Yes. Use SEBASTIAN for 5% off at thebeamofficial.com.
Keep exploring.
- The everyday commuter gear checklist
- Explore Gear & tech →
- THE BEAM brand directory
- THE BEAM offer details