{"product_id":"straight-up-premium-all-ceramic-silicon-nitride-be","title":"Straight Up Premium All Ceramic Silicon Nitride Bearing For The 6800 And 6801 Series With 12x21x5mm Dimensions To Deliver High Speed Rotation And Rust Proof Performance For Any Custom Build Project","description":"\u003cdiv\u003eRust free ceramic bearings for custom high speed builds\u003cbr\u003e\n✔️ Fits 6800 series frames accepting 12 by 21 by 5 mm sleeves \u003cp\u003eThis single certified silicon nitride bearing swaps out failing steel rollers to cut rust and drag. Mechanics and riders slide these straight into skateboard trucks, drone propeller axles, and bike freewheel hubs where constant exposure to wet trails ruins cheap iron parts.\u003c\/p\u003e ✅ All ceramic silicon nitride balls spin with zero friction\u003cbr\u003e\n✅ Inner diameter tracks 12 by 21 mm wide for snug axle alignment\u003cbr\u003e\n✅ Sealed rubber sides lock out moisture and road debris\u003cbr\u003e\n✅ Rated for rapid acceleration and sustained wheel spin\u003cbr\u003e \u003cp\u003e💡 Why do builders find ceramic hybrid bearings handy for muddy trail rides compared to basic steel replacements\u003cbr\u003e\nSwapping in nitride cores keeps your drivetrain humming even when humidity spikes.\u003cbr\u003e\n- Silicone nitride rolling elements resist corrosion and reduce daily service visits\u003cbr\u003e\n- Hardened steel flanges deliver reliable torque transfer for tight fitting axle mounts\u003cbr\u003e\n- Contact seals guard the internal chambers against sand and splash water intrusion\u003cbr\u003e\n- Balanced rotor mass maintains steady pedal tracking across rough gravel inclines\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49307498512619,"sku":"VXB0FBG7J6DS","price":101.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61QlI-KewwL_7267f1c8-d396-4649-bf67-2b0e24da0768.jpg?v=1787885475","url":"https:\/\/vxb.com\/products\/straight-up-premium-all-ceramic-silicon-nitride-be","provider":"VXB Bearings","version":"1.0","type":"link"}