Curved-End FKM Rubber Watch Strap 20mm – Folding Clasp, Cut-to-Fit (BB58 Fit)

Upgrade your watch with a premium curved-end FKM rubber strap designed for durability, comfort, and a refined integrated fit. Built from high-performance fluoro rubber, this strap offers superior resistance to heat, sweat, and UV exposure—ideal for daily wear, sport use, and long-term reliability.

The curved-end design improves case alignment for a cleaner appearance, while the 316L stainless steel folding clasp provides a secure and balanced fit. With a cut-to-fit structure, the strap can be easily adjusted for a precise wrist size.

Key Features

• Curved-end design for improved case integration
• Premium FKM fluoro rubber for enhanced durability
• Resistant to heat, sweat, and UV exposure
• 316L stainless steel folding deployment clasp
• Cut-to-fit adjustment for precise wrist sizing
• Flexible, smooth finish for all-day comfort
• Ideal for sport, diver, and everyday watches

Compatibility

• Compatible with watches using 20mm curved-end lug design
• Compatible with Tudor Black Bay 58 (20mm case)
• Compatible with Tudor Ranger 39mm (20mm case)
• Compatible with similar watches using curved-end rubber strap fitment
• Fit may vary depending on case curvature and lug geometry
• Curved-end design does not guarantee a perfect no-gap fit on all models
• Third-party replacement watch strap. Not affiliated with or endorsed by any watch brand

Specifications

• Material: FKM Fluoro Rubber
• Lug Width: 20mm
• Taper: 20mm to 16mm
• Strap Length: Approx. 105mm (cut-to-fit adjustable)
• Clasp Type: Folding Deployment Clasp
• Clasp Material: 316L Stainless Steel
• End Type: Curved-End
• Installation Type: Spring Bar
• Water Resistance: Waterproof / Sweat Resistant
• Condition: New

What's Included

• 1 × Curved-End FKM Rubber Watch Strap
• 1 × Folding Clasp
• Watch not included