Available in variety of sizes and compounds and tailored for maximum grip,even on extremely steep, technically challenging ascents. Locks late when braking providing control and directional stability. This is a tyre for demanding trails, especially suited with the sizes available and the compounds, like Addix Soft and Addix Speed Grip. Schwalbe Fat Albert Rear Addix Tyre Features Curved Propulsion Edges For Ambitious Riders Tubeless Easy Addix Speed Compound Tailored For Maximum Grip High Traction, Even on Soft Terrain Tyre Specification Size: 27.5 x 2.35 Protection Level: 4 Snake Skin PSI: 23-50 Bead: Folding Compound: Addix Speed Tubeless Easy Line: Evolution Size Options   MPN ETRTO Size Protection Level Tubeless Compound Bead Line Front Option 1 SCH8243 60-584 27.5 x 2.35 4-Snake Skin TL Easy Addix Soft Folding Evolution Front Option 2 SCH8277 60-622 29 x 2.35 4-Snake Skin TL Easy