Bola 700c 50mm Offset Carbon Tubeless Rim, 28mm Wide

The Bola 700c 50mm asymmetric carbon tubeless rim delivers aerodynamic performance, high strength, and precise manufacturing for road and gravel riders who demand competitive weight and durability. Constructed from T700/T800 unidirectional carbon fiber, the rim is tubeless-ready and compatible with both hooked and hookless bead options to suit a range of tire and build preferences.

Key specifications

• Size: 700c (ISO 622)
• Depth & profile: 50mm offset U-shape, asymmetric for balanced spoke tension
• Width: 28mm outer, available with 21mm or 23mm inner width
• Material: T700/T800 unidirectional carbon fiber
• Bead options: Hookless or hooked, tubeless-ready (ETRTO/ISO 622)
• Weight options: 370g (Extreme-Light), 390g (Ultra-Light), 430g (Super-Light), 470g (Standard)
• Spoke hole: 4.5mm for standard road hub fitment
• Max rider weight: 100kg
• Recommended tire size: 25–32mm tubeless
• Certifications & tolerances: ISO 622, ETRTO-compatible bead; dynamic balance <3g; flatness <0.15mm; roundness <0.3mm
• Warranty: 3 years against manufacturing defects

Use cases

• Lightweight and aerodynamic wheel upgrades for road and gravel bikes
• Endurance and long-distance riding where stability and comfort matter
• Custom wheel builds for amateur racing, triathlon, and gravel applications
• OEM and aftermarket wheel projects for disc or rim brake systems

The asymmetric design improves lateral stiffness and helps equalize left/right spoke tensions for greater wheel durability, while ISO and ETRTO compliance ensure compatibility with standard tire and hub systems.