{"product_id":"burgtec-thick-thin-chainring-104mm-bcd-inside-fit-e-bike-steel","title":"Burgtec Thick Thin Chainring 104mm BCD Inside Fit E-Bike Steel","description":"\u003cp data-anchor=\"true\"\u003eThe Burgtec Thick Thin Chainring in 104mm BCD Inside Fit is the steel e-bike variant built to handle the brutal torque that motors throw at your drivetrain. Where aluminium chainrings can wear quickly under e-bike loads, this steel version holds its teeth longer and keeps your chain exactly where it belongs — even when the trail gets rowdy. Designed specifically for Shimano cranks and paired with a clutch derailleur, this is the chainring upgrade your e-bike needs if chain drops are ruining your rides.\u003c\/p\u003e\u003ch2 data-anchor=\"true\"\u003eDesign Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel construction — engineered to handle the elevated torque of e-bike motors, offering superior wear resistance over aluminium alternatives\u003c\/li\u003e\n\u003cli\u003eThick-thin tooth profile alternates tooth thickness to precisely match chain inner and outer links, dramatically reducing the chance of chain drop\u003c\/li\u003e\n\u003cli\u003eInside fit mounting — designed to work directly with Shimano 4-bolt 104mm BCD cranks without spacers or adaptors\u003c\/li\u003e\n\u003cli\u003eClutch derailleur compatible — engineered to work in tandem with rear clutch mechanisms for a belt-drive level of chain security on the trail\u003c\/li\u003e\n\u003cli\u003eAvailable in 30T, 32T, 34T and 36T to suit a wide range of trail and enduro e-bike gearing setups\u003c\/li\u003e\n\u003cli\u003eNote: 30T bolt holes are threaded — 8mm x 0.75mm x 8mm long chainring bolts required (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 data-anchor=\"true\"\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBCD: 104mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Steel\u003c\/li\u003e\n\u003cli\u003eMounting: Inside fit\u003c\/li\u003e\n\u003cli\u003eSizes: 30T, 32T, 34T, 36T\u003c\/li\u003e\n\u003cli\u003eCompatibility: Shimano 4-bolt cranks, clutch derailleurs\u003c\/li\u003e\n\u003cli\u003eBolt spec (30T only): 8mm x 0.75mm x 8mm long chainring bolts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Burgtec","offers":[{"title":"34T \/ Black","offer_id":48120803557608,"sku":"BUR-8602","price":129.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/2251\/1592\/files\/BUR-8602.png?v=1773380334","url":"https:\/\/jettyroadcycles.com.au\/products\/burgtec-thick-thin-chainring-104mm-bcd-inside-fit-e-bike-steel","provider":"Jetty Road Cycles","version":"1.0","type":"link"}