Challenge Baby Limus Pro (Clincher)
All-Condition Versatility. Supple Open-Casing Speed.
The engineering highlight of the Challenge Baby Limus Pro Clincher is its hybrid tread architecture paired with a handmade 300 TPI SuperPoly casing. Featuring lower-profile, closely spaced center knobs taken from the fast-rolling Grifo and tall, deeply siped shoulder knobs inherited from the heavy-mud Limus, it allows you to carry maximum speed down the straights while leaning hard into greasy, off-camber corners. Built as an open tubular, the high-TPI casing deforms fluidly over terrain to maximize your contact patch without needing a glued tubular setup.
Why the Challenge Baby Limus Clincher Belongs on Your Wheelset:
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Hybrid Mud/Speed Tread Design: Low-profile center knobs reduce rolling resistance on flat pavement and hardpack sectors, while aggressive side knobs dig deep into slick mud and wet grass.
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Handmade 300 TPI SuperPoly Casing: Offers unmatched open-tubular suppleness, absorbing trail chatter and conforming to uneven ground for superior cornering confidence.
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Puncture Protection System (PPS): Features a specialized high-density fabric strip layered between the tread and casing to protect against sharp gravel, thorns, and pinch flats.
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Self-Cleaning Tread Spacing: Open knob layout sheds sticky clay and thick mud effortlessly, preventing tire loading and weight buildup during sloppy races.
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Open-Tubular Installation Convenience: Mounts directly onto standard clincher rims with inner tubes, allowing for effortless roadside tube replacements and quick tire swaps between race heats.
Technical Specifications:
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Discipline: Cyclocross / Transitional Mud / Wet Grass / Off-Camber
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Tire Type: Clincher (Open Tubular – Requires Inner Tube)
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Casing: SuperPoly (300 TPI)
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Bead: Folding Aramid Bead
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Width: 700x33c (33-622 ETRTO)
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Pressure Range: 2.1 – 3.1 Bar (30 – 45 PSI)
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Weight: ~360 grams
The Alegro Perspective: Course conditions rarely stay 100% dry or 100% thick mud. The Baby Limus is easily our most recommended tire for those tricky, transition-weather race days. Full mud tires like the standard Limus can feel draggy and slow on paved start/finish straights, but the Baby Limus rolls almost as fast as a Grifo while giving you all the cornering bite you need when you plunge into a slick, off-camber dirt bowl.
Hybrid Tread Versatility. Supple Open-Casing Speed. Conquer Mixed Conditions with Challenge.