Ohlins Spring,Fr.fork 38.2/423/ 3.0 (PAIR)Ohlins Spring,Fr. fork 38. 2 423 3. 0 (PAIR) Exchanging the front fork springs is one of the most cost effective way to improve the bike's front fork. Together with the specifically developed high quality oil from hlins, a considerable improvement in the responsiveness and performance of an original fork can be achieved. hlins offers a wide range of linear springs to suit each individual type of bike, rider weight and personal preferences for