Front springs: all fit Ohlins 30mm cartridges Ohlins 04744-90 - $50 qty. 3 Ohlins 04744-10 - $50 qty. 3 30mm fork caps - $100 Rear Springs: Ohlins 21041-34/100 - $50 Ohlins 21040-36/105 - $50 Penske (Hyperco 2.25" inner diameter, 6" length, 550 spring rate) - $50 Penske (Hyperco 2.25" inner diameter, 6" length, 575 spring rate) - $50 Hyperco 2" inner diameter, 6" length, 550 spring rate - $50 Racetech 319494 (SRSS-S5818107) 600 spring rate, fits stock shock - $75