Engineered for peak performance across mixed terrain—from smooth tarmac to loose gravel—the MEPRIME S4540W redefines ride feel and control.

Developed through intensive R&D and built with a next-generation carbon molding process, the S4540W features a completely reimagined rim profile and ultra-responsive carbon spokes.

The result: exceptional handling, aero efficiency, sharp reactivity, and all-surface resilience—all in a wheel that’s as tough as it is fast.

Tech Specs
• Rim Depth: F/R : 40-45mm
• Max Width: 33mm
• Internal Width: 25mm (hooked, tubeless ready)
• Material: T800 high-modulus carbon
• Spokes: Super Aero Carbon (24H)
• Hubs: MEPRIME G2-C36, Centerlock, Straightpull, 100/142
• Minimum tyre width: 30 mm
• Weight: 1353g (without tape)

The S4540W is hand-built to order and available for pre-order. Please allow around 28 business days after full payment for production and shipping.