Challenge Tire Gravine Pro Tire 700 x 45 Black/Tan Teeth-143t What truly sets this bottom

What truly sets this bottom bracket apart are the Enduro ZERO Ceramic sealed bearings that wont stop spinning while offering the pinnacle of bottom bracket bearing longevity

Fast Drying

CarboKeramic rails

Strong comfortable and beautiful

Peak Nano Optics Photochromic is equipped with a high tech lens in X-PC with photochromatic abilities that darkens and lightens up automatically to the strength of the sunlight (UV light)

Challenge Tire Gravine Pro Tire 700 x 45 Black/Tan Teeth-143t What truly sets this bottomDesigned for improved performance and traction across muddy sections and on more rugged, rocky terrains A more aggressive tread pattern designed to push the boundaries of gravel further, allowing for totally new adventures Model Gravine Pro Size 700c Width 40mm Compound Bead Folding Type Tubeless Color Black Tan Weight