Playtri Retul Dynamic Bike Fit Run Accessories_Hydration Packs Fits most standard saddles

Fits most standard saddles

it will work better with the CeramicSpeed Pulleys

and a stretch fit that is ideal for a close fit overall in an assertive riding posture

150-millimeter infinite-travel

Playtri Retul Dynamic Bike Fit Run Accessories_Hydration Packs Fits most standard saddlesCombine Playtri's 20 plus years of bike fitting with the data from computerized motion capture analysis. Motion capture cameras record a rider's position as they pedal on the bike in order to capture the full range of bio mechanical movement. Rather than adjust a fit based on static measurements, the Retul system allows Playtri's expert bike fitters to see how you and the bike work together. This complete picture of both athlete and machine makes for