|Dimensions||34 × 6 × 4 in|$1,868.95
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*We are working directly with GP Suspension to optimize the Aprilia RS660 cartridge design. Cartridge length, extended travel and fork cap design are all critical with to optimize the 660 for track use. Due the design of the upper fork tube with it’s narrow band of clamping surface, we highly recommend using the GP Suspension cartridges which feature extended fork caps for the Aprilia RS660 combined with our Norton Racing Upper Triple Clamp. This provides more clamping surface and more adjustment range for clipon and geometry setup compared to other brands.