Collection: 700C 42mm

700C 42mm Carbon Gravel Rims (35mm Internal)

Engineered for high-volume adventure gravel, bikepacking, and monster-cross builds, Bola’s 700C 42mm outer width carbon rims deliver unmatched tire footprint stability and vibration damping. Featuring a massive 35mm internal width and deep aero profiles (45mm and 50mm), these rims are optimized for 40c to 2.4" tires, providing low rolling resistance and maximum traction over rocky trails and loose gravel.

Model / Profile Depth / Width Specs Carbon Layup Weight Tiers (UD Matt) Brake / Spoke Interface Recommended Application
700C 45mm Gravel Rim 45mm Depth / 42mm Outer / 35mm Inner Toray T700 / T800 Standard (~450g) · Superlight (~430g) · Ultralight (~410g) · Extremelight (~395g) Disc Brake / 20H, 24H, 28H Technical Gravel, Rough Trails & Bikepacking
700C 50mm Aero Gravel Rim 50mm Depth / 42mm Outer / 35mm Inner Toray T700 / T800 Standard (~470g) · Superlight (~450g) · Ultralight (~430g) · Extremelight (~415g) Disc Brake / 20H, 24H, 28H Fast Aero Gravel Racing & Mixed Expanses

Key Engineering Highlights

  • 35mm Massive Internal Width: Eliminates tire squirm and allows running lower tire pressures (20–35 PSI) with 40c–2.4" tires for enhanced cornering grip and bump compliance.
  • Hookless Tubeless-Ready Rim Bed: Engineered for easy tire seating, reliable bead locking, and superior rim impact resistance against rocks and roots.
  • Four Carbon Layup Weight Tiers: Choose from robust Standard for heavy bikepacking to Extremelight for competitive gravel racing.
  • Direct Factory Craftsmanship: Handcrafted in Xiamen with precision CNC angled spoke drilling, backed by a 2-Year Global Warranty, 30% Crash Replacement, and Free Worldwide DDP Shipping.

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