JT Tsubaki Alpha XRG Chain and Sprocket Kit for Aprilia BS90 Comfortable fit under any helmet—no

Comfortable fit under any helmet—no pressure points

large front bib zip pocket

Build in LEDs will go into a 'scanning mode' when ignition is turned on

Universal electronic tachometer with 8000 RPM

JT Tsubaki Alpha XRG Chain and Sprocket Kit for Aprilia BS90 Comfortable fit under any helmet—noJT Tsubaki Alpha XRG Chain and Sprocket Kit for Aprilia Tsubaki Alpha XRG Chain and JT Sprocket Kits are perfect for replacing your worn out OEM setup. JT Sprockets is the worlds leading manufacturer of aftermarket sprockets, committed to supplying the most durable, best quality sprockets available in the marketplace worldwide. JT Sprockets are manufactured the right way by hobbing, machining and drilling. This is the only proven way to achieve the