journalmtbcycling
Trail Bike Geometry: What Reach, Head Angle, and Chainstay Length Actually Mean on the Trail
Modern trail bike geometry data sheets list reach to the millimetre and head angles to the decimal. These numbers are not marketing. They directly describe how a bike will behave on steep descents, tight switchbacks, and sustained climbs — and understanding them before you buy or size a frame saves a significant amount of money and frustration.
By ZealZag Team