{"product_id":"40-tooth-rear-sprocket-37mm-bore-for-40-41-420-chain-ct100u-gmb100-color-black-40-tooth","title":"40 Tooth Rear Sprocket 37mm Bore for #40 41 420 Chain CT100U GMB100 - color: Black-40 Tooth","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompatibility: Coleman CT100U CC100X RB100 B100 mini bike; FR* GMB100 mini bike; Baja Doodle Bug DB30 mini bike; Monster Mega Moto MMB80 MMB105 mini bike; Motovox MBX10 mini bike and all bikes with 6\" rim diameter wheel with the small 6 bolt pattern\u003c\/li\u003e\n\u003cli\u003eNote: The size of the mounting hole in the center of the 420 chain sprocket determines whether it is suitable for your mini bike. Please check the size carefully before purchasing. The 420 chain sprocket is suitable for modified mini bikes with 420 chain, 212cc or larger engines, such as Coleman CT100U, CC100X and so on\u003c\/li\u003e\n\u003cli\u003ePrecision 40 Tooth: The mini bike rear sprocket adopts a precise 40 tooth design, which optimizes torque distribution and creates a smoother gear curve. This reduces friction during transmission, extends the chain's lifespan, and enhances overall efficiency\u003c\/li\u003e\n\u003cli\u003eHardwear Steel: The 420 chain sprocket is manufactured from steel, more lightweight and high-strength, it also more corrosion resistant\u003c\/li\u003e\n\u003cli\u003eMore Efficient: Keeping the front sprocket stock, a smaller rear sprocket boosts top-end speed and delivers improved fuel mileage during flat-ground and downhill cruising for better daily efficiency\u003c\/li\u003e\n\u003cli\u003eSize: Teeth: 40 tooth, mounting holes: 6 holes, mounting hole distance (center to center, bolt hole circle): 1.93\" (49 mm), center hole diameter: 1.46\" (37 mm), overall diameter: 6.50\" (165 mm)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RZEOZU","offers":[{"title":"Default Title","offer_id":50445477118192,"sku":"B0HFMXCQWX-color-black-40-tooth","price":41.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/8464\/5360\/files\/41zDpNmAE4L.jpg?v=1789293748","url":"https:\/\/wrenchvanta.com\/products\/40-tooth-rear-sprocket-37mm-bore-for-40-41-420-chain-ct100u-gmb100-color-black-40-tooth","provider":"WrenchVanta","version":"1.0","type":"link"}