The Trask Assault Series Swingarm gives modern Touring models a major upgrade in rigidity; durability; and high speed stability. CNC machined from T6061 billet aluminum; it replaces the flex of the stock arm with a stronger; lighter structure designed for consistent handling and improved tracking under load. This is the same design proven on Trask race bikes and validated in real racing environments.Its modular construction provides flexibility for different build styles; while adjustable shock positions allow quick suspension tuning. The upgraded axle system simplifies alignment and chain adjustments. Each swingarm ships raw and disassembled; ready for your preferred finish.Every kit includes stainless hardware; spherical bearings; and Delrin chain guides. It works with the stock brake caliper and mount; and can be paired with the TM-3200-15 ( Special Order Product only. Please contact your MCS sales representative to order) caliper mount for radial brake setups.