700C 50mm Tubeless Carbon Gravel Rim 42mm outer 35mm Inner

The Bola 700C 50mm tubeless carbon gravel rim - a wide 42mm external / 35mm internal Toray carbon rim built for 38-56mm gravel tyres and aero gravel builds.

Gravel speed without compromise: the Bola 50mm gravel rim wraps 50mm of Toray carbon aero around a monstrous 35mm inner bed. It is the wide-platform sibling of the road 50mm, built for riders who run big gravel tyres and want aero on the open gravel road.

Buying Guide.

Weight tier - Extreme Light ~435g: the gravel racer's pick - lightest end for long open gravel out-and-backs.

Weight tier - Ultralight ~455g: the balanced middle - lively over rough terrain without the most fragile layup.

Weight tier - Superlight ~490g: the sturdy build - impact margin for rough gravel and loaded rides.

Weight tier - Standard ~520g: the durable choice - extra grams shrug off ruts and heavier riders.

Max rider weight: rated to 110kg - check rider + gear before ordering.

Same-depth series: the narrow road 50mm rim is the leaner road-leaning version; this wide bed is built for big gravel volume.

Adjacent depth: the 45mm gravel rim climbs better on rough terrain.

Target Audience & Usage Notes.

Target audience.: Gravel racers and gravel tourers building wide-volume wheelsets.

Rim-only.

On gravel, run ~70 psi or lower; do not chase high pressure.

Respect 110kg.

Not for ultra-endurance self-supported rides with huge loads.

The Ride That Awaits.

Lace it to a wide-flange gravel hub, mount a 45-50c gravel tubeless, and let the long out-and-back unfold: the wide bed drinks up the ruts, the low pressures settle the chatter, the 50mm depth slicing the drag as you run out of road before you run out of legs. This is the long gravel day, handed to you. Free shipping, a 3-year rim warranty and crash-replacement discount.