Ritchey WCS Carbon BOOST Mountain Fork

The Ritchey WCS Carbon BOOST Mountain Fork is the ideal choice for riders who value the ultimate precision, efficiency and direct trail feedback offered by a rigid mountain bike fork. If you need modern standards such as BOOST 110×15 mm whilst also loving the benefits of carbon, this fork has been designed specifically for your riding style.

Thanks to generous tyre clearance, the fork is compatible with 27.5" and 29" tyres up to 2.9", making it perfect for fast XC routes, technical trails and modern hardtail set-ups.

Technical specifications

• Material: Carbon fibre
• Steerer tube: 1-1/2" tapered
• Offset / Rake: 45 mm
• Axle-to-crown: 502 mm
• Crown diameter: 61 mm
• Steerer tube length: 300 mm
• Internal width: 87 mm
• Axle compatibility: BOOST 110 × 15 mm thru-axle (135 mm axle included)
• Tyre compatibility: 27.5" & 29" up to 2.9" (depending on manufacturer)
• Minimum tyre clearance: 6 mm
• Brake discs: 160 mm (max. 180 mm)
• Weight: 767 g (uncut, without axle)
• Finish: Matt UD carbon
• Brake mount: Post Mount
• Max. spacer under the stem: 30 mm

With decades of experience in the mountain bike sector, extensive trail research and a perfect command of modern materials, Ritchey offers a carbon fork that delivers an unrivalled riding experience – light, stiff, precise and yet comfortable.

The WCS Carbon BOOST Mountain Fork features full-carbon dropouts and one-piece, non-removable carbon disc brake mounts. The fork’s specific geometry is travel-compensated, ensuring it harmonises perfectly with modern MTB frames.