Redesigned from the ground up, X2 is still the most tunable Enduro/DH air shock- 4-way adjustable for high and low speed rebound and compression- Mono tube architecture is more durable, offer greater usable tuning range- Pressure balanced tuning for increased support without harshness- 2-position open/firm platform toggle with detents- Variable control valve (VVC) on high speed rebound- Oversized Evol air chamber provides a more linear, planted ride feel- Factory Series with slippery smooth, ultra-durable Kashima coating- Mounting hardware sold separately