TFC S-1 High Power Camshaft - GY6 Big Bore Builds NIU KQi1 Sport thus giving you superior braking

thus giving you superior braking ability with minimal fade

Installation Hack: Always clean the mounting surface of the frame—the regulator uses the bolt-on point as a secondary ground

Segway Ninebot is a global leader in personal electric mobility

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TFC S-1 High Power Camshaft - GY6 Big Bore Builds NIU KQi1 Sport thus giving you superior brakingMaximize the power potential of your GY6 big bore build with the TFC Special S 1 High Angle Camshaft. Designed specifically for engines running 58. 5mm to 63mm cylinder bores, the S 1 delivers 6mm of valve lift significantly more than a stock cam keeping the valves open longer and pushing them further to pull in more air and fuel on every stroke. The result is stronger mid range and top end power that a big bore cylinder alone can't fully unlock