Top End Rebuild Kit (B) KTM 250 EXC 2017 - Single Ring Model_Shinko SR421 Trail Scooter Tyre The 17 mm nut is

The 17 mm nut is crossed-drilled so racers can safety wire the filter to their bike

The beadfiller has also been optimized to get the right lateral rigidity when riding with low tyre pressure

which prevents it from rubbing against the window beading for smooth operability

brake lights

Top End Rebuild Kit (B) KTM 250 EXC 2017 - Single Ring Model_Shinko SR421 Trail Scooter Tyre The 17 mm nut isIncludes components necessary to complete a piston (top end) rebuild. Competitive pricing, made to meet and exceed OEM quality and designed as a direct OEM replacement. Features: Designed for OEM replacement. Made from high quality materials. Meet or exceed OEM specifications. Competitive pricing.