Fizik's R4B features Volume Control Technology and the Extended Power Strap for quick and easy adjustment to create perfect fit for comfort and performance. It is complemented by a combination of a single Boa IP1 and micro-strap closure system plus injected composite sole.
- Materials: Microtex laser perforated
- Outsole: Injected Composite Carbon Vented
- Closure System: Boa IP1-A and Micro Straps
- Insole: fi'zi:k Cycling Insole
- Available Size: 40-47 and 48
- Weight: 254g (size 42.5)
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