Billed by Ridley as an all-road bike, it claims the Grifn can perform it all. The geometry is racy for an endurance bike but still lets you match 40mm tyres by using a 1x groupset, and 38mm rubber having a double chainset setup.  Adjustable Seat: Indeed (peak adjustable and front/back adjustable) Why We Find it irresistible Newcomers need a user-w