Billed by Ridley being an all-road bike, it claims the Grifn can perform everything. The geometry is racy for an endurance bike but nonetheless means that you can fit 40mm tyres with a 1x groupset, and 38mm rubber which has a double chainset set up.  Weight: 96 lbs The Keiser M3i can be a superbly intended bike with V-formed handlebars, artful tra