DETAILED NOTES ON BLUETOOTH BICYCLE HELMETS

Billed by Ridley as an all-road bike, it claims the Grifn can do all of it. The geometry is racy for an endurance bike but nonetheless enables you to fit 40mm tyres which has a 1x groupset, and 38mm rubber which has a double chainset setup. The bike takes advantage of magnetic resistance, and within our tests it presented a clean trip. It's only t