You would have to source those from Tudor if that is what you are looking for. There are variations to the lugs within the Tudor Black Bay Line, for example this does not fit my BB54 but this does fit the 58GMT (see pic).
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Fluoro Rubber Strap for Tudor Black Bay Series Special 20mm Curved End FKM Watch Band Men Sports Diving Bracelet Accessories
Aliexpress UK
Tudor Black Bay GMT. Width: 22mm.
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20mm 22mm Soft Rubber Strap for Tudor Black Bay Panda/Pro/Black Shield – Quick Release Diver Band with Stainless Steel Buckle
Aliexpress UK
Crafted for durability and comfort, the 22mm Black Curved End FKM Rubber Strap is the perfect accessory for your Tudor Black Bay GMT or Chrono. Its robust construction is matched by a sleek black colour that complements the sophistication of your timepiece. The strap is specifically designed to fit the 41mm models, ensuring a secure and snug fit. The strap features a practical two-piece design, making it effortless to instal and replace. Its rubber material offers excellent water resistance, making it ideal for diving and other water activities. The unisex design suits any wearer, while the absence of personalisation preserves the classic look and feel of your Tudor watch.
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20mm CTS Fluoro Rubber Strap Compatible For Tudor Black Bay 58 BB58 Deployment Clasp for Ranger 39 Men's Watch With Fold Buckle
Aliexpress UK
The Curved End Rubber Strap is a sleek and durable accessory designed specifically for Tudor Black Bay Steel and Black Bay Steel & Gold watches. Made from high-quality rubber, this wristwatch strap is black in colour and features a 22mm width, perfect for a comfortable and secure fit on the wrist. The RRP of a new strap is now £210 (see website photo).
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High quality Rubber Watch Strap For Rolex Daytona Tudor Black bay Omega Longines Watchband 20mm 21mm 22mm Bracelet Fold Buckle
Aliexpress UK
Enhance your Tudor Black Bay or any other watch with our high-quality rubber strap featuring a butterfly deployant clasp.
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Metal End Link Curved End With FKM Fluoro Rubber Strap 20mm Waterproof Bracelet Fit for Tudor Black Bay GMT 39mm
Aliexpress UK
Enhance the look of your Tudor wristwatch with this black silicone rubber strap. Crafted from high-quality silicone and rubber, this strap is durable and long-lasting. The colour adds a sleek and elegant look to your Tudor watch.
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20mm 21mm 22mm Rubber strap For Tudor 1958 BLACK BAY M79030N M79030b Men's Folding buckle Watchband Steel strip modified Rubber
Aliexpress UK
🔹 Precision Fit – Designed to be compatible with various Tudor models, including Black Bay Bronze and other 22mm lug width watches. 🔹 Curved End Design – Matches the case profile for a seamless, integrated appearance.
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Arc interface Natural Rubber Silione Watchband 22mm for Tudor Black Bay 1958 GMT 41mm Pelagos Blue Green Black Sport MEN Strap
Aliexpress UK
Up for grabs: New blue rubber for Tudor black bay GMT strap stainless deployment claps with 22mm lug ends Suitable for Tudor black bay watches with width 22mm Very limited quantity, when it’s gone its GONE! Grab a quick BARGAIN! We do have blue, green, orange and black colour as well for sale Please note that the strap doesn’t come with box Message me for any enquiries! Thanks for viewing
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22mm Natural Rubber Silione watch band Special for Tudor Black Bay GMT Curved End Pin/Folding buckle Black Blue Red Wrist Strap
Aliexpress UK