{"product_id":"burgtec-thick-thin-chainring-104mm-bcd","title":"Burgtec Thick Thin Chainring 104mm BCD","description":"\u003cp data-anchor=\"true\"\u003eThe Burgtec 104mm BCD Thick Thin Chainring is built to be the ideal partner for Shimano cranks. Engineered with a thick-thin tooth profile that locks into your chain with every rotation, it works in tandem with clutch derailleurs to keep your chain exactly where it belongs — on the ring — no matter how rough, rocky or rowdy the trail gets. Machined from aerospace grade aluminium, it delivers the strength and durability serious trail riders demand without unnecessary weight penalty.\u003c\/p\u003e\u003ch2 data-anchor=\"true\"\u003eDesign Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThick-thin alternating tooth profile precisely engages each chain link, dramatically reducing the chance of chain drop on rough and technical terrain\u003c\/li\u003e\n\u003cli\u003eDesigned to pair with clutch derailleurs for a complete chain retention solution — no chain guide required on most builds\u003c\/li\u003e\n\u003cli\u003eMachined from aerospace grade aluminium for an excellent strength-to-weight ratio and long-term durability\u003c\/li\u003e\n\u003cli\u003e104mm BCD bolt pattern makes this a direct-fit upgrade for a wide range of popular Shimano cranks\u003c\/li\u003e\n\u003cli\u003eAvailable in 30T, 32T, 34T and 36T tooth counts to suit everything from steep enduro descents to all-mountain riding\u003c\/li\u003e\n\u003cli\u003eNote: The 30T variant features threaded bolt holes and requires 8mm x 0.75mm x 8mm long chainring bolts — ensure correct hardware is used at installation\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: Aerospace grade aluminium\u003c\/li\u003e\n\u003cli\u003eAvailable sizes: 30T, 32T, 34T, 36T\u003c\/li\u003e\n\u003cli\u003eCompatibility: Shimano cranks with clutch derailleurs\u003c\/li\u003e\n\u003cli\u003e30T bolt hole note: Threaded — requires 8mm x 0.75mm x 8mm long chainring bolts (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Burgtec","offers":[{"title":"30T \/ Black","offer_id":48120804507880,"sku":"BUR-8107","price":99.95,"currency_code":"AUD","in_stock":false},{"title":"32T \/ Black","offer_id":48120804540648,"sku":"BUR-8101","price":99.95,"currency_code":"AUD","in_stock":true},{"title":"34T \/ Black","offer_id":48120804573416,"sku":"BUR-8102","price":99.95,"currency_code":"AUD","in_stock":false},{"title":"36T \/ Black","offer_id":48120804606184,"sku":"BUR-8108","price":99.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/2251\/1592\/files\/BUR-8107.png?v=1773380334","url":"https:\/\/jettyroadcycles.com.au\/products\/burgtec-thick-thin-chainring-104mm-bcd","provider":"Jetty Road Cycles","version":"1.0","type":"link"}