Pound for pound the core 20 is arguably one of the best equipped bikes available in thr genesis range they have opted for a close ratio 403022t gearing which when combined with the 11 34t cassette out back gives an optimal spread of gears for the larger 275 wheels keeping you suspended is a rockshox recon silver rl solo air fork offering 120mm of plush travel thats 100 adjustable for rider weight and preferred riding style for stable confidence inspiring surefooted control