The Spark RC 900 World Cup is a cross-country full-suspension bike on a mission to win. Keeping the ride smooth, a RockShox SID Select + fork is paired with a custom RockShox NUDE 3-mode rear shock via our TwinLoc Suspension System. The SRAM X01 Eagle 12-speed drivetrain will move you up the trail and SRAM Level disc brakes will slow you down when ..