The Tephra is a fast lightweight affordable alloy 700c bike built to take the strain in the city environment, but equally at home on the rides in the countryside road. 21 gears. Shimano shifters. Shimano gears. Shimano TX35 rear derailleur. Front alloy V brake and rear alloy V brake brakes. Front suspension. Weight fully assembled 14.1kg. 19 inch frame size. 28 inch wheel size. Trekking tyres. Double-wall rims. Quick-release front wheel. Tyres and tubes are excluded from the guarantee.