SOLAS Impeller - Concord - 12/17 - Spark Ace SK-CD-12/17 Universal Center Lock Bicycle Brake Rotor Adapter Chest and back compartments can

Chest and back compartments can accommodate the Nucleon chest and back inserts (available as optional upgrade)

yet durable molded goggle frame with venting

Designed for optimum performance

the best performance and the unmistakable LeoVince racing sound

Perfect for use with the new Harley-Davidson auto tuner

SOLAS Impeller - Concord - 12/17 - Spark Ace SK-CD-12/17 Universal Center Lock Bicycle Brake Rotor Adapter Chest and back compartments canVariable pitch offers both low speed torque and all out high speed in one impeller Exclusive hub end water seal keeps the nasty stuff out of precious parts Enhances all range maneuverability with no slippage in water hookup Constructed of ultra high strength, corrosion resistant stainless steel Mirror smooth finish and polished hub resists cavitation Impeller pitch is determined by casting, not bending Original seal required Choose impeller based on