The BBB Cycling CoreCap BTI-165 valve cores are essential components engineered to simplify tubeless tire maintenance and ensure leak-free air retention. These replacement Presta valve cores allow quick swaps of bent, damaged, or sealant-clogged cores. Precision-machined from corrosion-resistant nickel-plated brass, they maintain optimal air seal integrity even under high pressures. The kit...

The Challenge Grifo Open TLR 700x33c tire (reference 00605 / tan sidewall) is the benchmark choice for cyclocross across mixed, dry, and muddy conditions. Built using Challenge's renowned "Handmade" construction process (HTLR), this open tubular tire features a high-density 300 TPI SuperPoly casing that delivers the supple ride quality and low rolling resistance of a tubular. It conforms...

The Challenge Baby Limus Pro TLR 700x33c tire (reference 00618 / tan sidewall) is the ultimate versatile cyclocross tire for wet, muddy, and unpredictable conditions. A refined version of the aggressive Limus, the "Baby Limus" features lower, closer center knobs for reduced rolling resistance on hardpack sections, paired with prominent shoulder knobs that dig deep for cornering grip in mud...