55mm Carbon Road Rim 700C 30mm Asymmetric | Bola

The Bola 55mm asymmetric carbon road rim - a 55mm deep, 30mm-wide tubeless-ready UD carbon rim for aero road racing, triathlon and fast endurance builds, with a 2.8mm offset for even spoke tension.

Where shallow wheels give way and crosswinds intrude, the Bola 55mm asymmetric rim stands firm - a wind-cheating hoop built for the racer who refuses to surrender a single watt.

Buying Guide.

Weight tier - Standard ~520g (Heavy/Durable): choose it for training miles, rough roads and larger riders who want impact margin over feather weight.

Weight tier - Superlight ~460g (Midweight): the all-round pick, lively for rolling hills and sprints without giving up durability.

Weight tier - Ultralight ~445g (Midweight): the climber's and racer's pick, shedding rotational mass for rolling and sprint days.

Same-depth series: the 55mm tubular ($310) is a glued-tyre race-day option, while the 55mm tubeless 28mm rim ($310) runs a narrower, faster tyre platform.

Adjacent depth: step down to the 50mm 30mm rim ($310) for kinder crosswinds, or up to the 60mm 23mm rim ($310) for flat-course aero.

Choose per rider mass; system weight limit applies.

Target Audience & Usage Notes.

racers, triathletes and wheel builders building a disc-brake aero road wheelset.

Build it with a modern disc hub, 24-28 spokes and 27-42mm tubeless tyres; rider weight rated to 125kg, max tyre pressure per the spec rating (tubeless run lower, ~70-90 PSI, per ETRTO 2026 wide-rim guidance).

Exact tier weight to confirm at order.

The Ride That Awaits.

Picture the first pedal stroke on a dawn coast road: wide 28-32c tyres thud home, and the offset build holds a true, stiff wheel as the deep aero section slices the wind off your bars.

Lean into a descent and the carbon hums, steady in the gusts, willing you on.

Free shipping and a 3-year rim warranty mean the only thing left between you and the start line is the build.