{"title":"Cranks \u0026 Chainrings","description":"\u003cp\u003eShop BMX race cranksets, crank arms and chainrings at Shr3dr Bike Parts. Insight, Crupi, Forward, Pride and more.\u003c\/p\u003e","products":[{"product_id":"rennen-4-bolt-threaded-chainring","title":"Rennen 4 Bolt Threaded Chainring","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRennen Threaded\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e Chainring\u003c\/strong\u003e range is manufactured to the same standards as the regular 4 Bolt Chainring and is precision machined from aircraft quality 7075-T6 Aluminium (83% stronger than 6061) and polished to a beautiful \u003c\/span\u003e\u003cspan\u003eor available in Stealth Black, offering the highest performance at the right price. Running from 32T right up to the big dawg 52T, these chainrings have all your professor gearing combos covered! \u003c\/span\u003e\u003cspan\u003eThe chainring bolt threads directly into the chainring for more security and quicker gearing changes, and less tolerances between hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRennen Chainrings are 4.76mm (3\/16\") thick and are made to take the horsepower of a BMX gate start and will stay true to handle the 180 RPM you're dishing out on the first  tap out. Only Rennen Sprockets offer a single speed specific tooth profile which been designed to extend tooth life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt \u003cstrong\u003e79 grams (38T)\u003c\/strong\u003e this makes Rennen Chainrings\u003cstrong\u003e \u003c\/strong\u003eone of the lightest on the market - it might just give you that extra 0.01s out of the gate to save you getting sent over the first berm! 👊\u003c\/span\u003e\u003c\/p\u003e","brand":"Shr3dr Bike Parts ","offers":[{"title":"040.7t","offer_id":46937491079340,"sku":null,"price":140.0,"currency_code":"AUD","in_stock":true},{"title":"39.7t","offer_id":46937579389100,"sku":null,"price":140.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9094\/8268\/files\/RENNENCHAINRING.webp?v=1786869082"},{"product_id":"mcs-110bcd-5-bolt-chainring","title":"MCS 110BCD 5 Bolt Chainring","description":"\u003cdiv class=\"tw-flex-1\"\u003e\n\u003ch2 class=\"heading heading--small\"\u003eDescription\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan class=\"icon-minus hidden\"\u003e\u003csvg width=\"11\" height=\"22\" class=\"icon icon--minus\" viewbox=\"0 0 8 2\"\u003e\u003cpath fill=\"currentColor\" d=\"M0 0h8v2H0z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cp\u003eMCS chainrings are\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCNC machined in the USA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith precision from a solid piece of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e6061 aluminium\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eresulting in not only a strong and light drive sprocket, they are also durable.\u003c\/p\u003e\n\u003cp\u003eAvailable in a range of sizes and colours, these are one of the\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003echeapest CNC machined chainrings\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eon the market and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esuitable for all levels of BMX racing.\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003eThese are\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTHE BEST bang for buck\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e5-bolt chainring on the market!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThese are the 5 Bolt 110BCD\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evariant, these are also available in 4 Bolt. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Shr3dr Bike Parts ","offers":[{"title":"43T","offer_id":46937492127916,"sku":null,"price":95.0,"currency_code":"AUD","in_stock":true},{"title":"44T","offer_id":46937492160684,"sku":null,"price":95.0,"currency_code":"AUD","in_stock":true},{"title":"46T","offer_id":46937492193452,"sku":null,"price":95.0,"currency_code":"AUD","in_stock":true},{"title":"47T","offer_id":46937492226220,"sku":null,"price":95.0,"currency_code":"AUD","in_stock":true},{"title":"48T","offer_id":46937492258988,"sku":null,"price":95.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9094\/8268\/files\/MCSCHAINRING.jpg?v=1786870518"},{"product_id":"insight-chainring-104mm-4-bolt-bmx","title":"INSIGHT CHAINRING 104MM 4-BOLT ( BMX )","description":"\u003cdiv class=\"tw-flex-1\"\u003e\n\u003ch2 class=\"heading heading--small\"\u003eDescription\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan class=\"icon-minus hidden\"\u003e\u003csvg width=\"11\" height=\"22\" class=\"icon icon--minus\" viewbox=\"0 0 8 2\"\u003e\u003cpath fill=\"currentColor\" d=\"M0 0h8v2H0z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cp\u003e\u003cstrong\u003eINSIGHT 4 Bolt Chainrings\u003c\/strong\u003e are a great addition to the rapidly growing Insight parts line, offering you a reliable, elite level product at an excellent price. 34 to 44 teeth. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4 Bolt – 104 BCD\u003c\/li\u003e\n\u003cli\u003e5mm thickness for added strength\u003c\/li\u003e\n\u003cli\u003eSprocket size stamped on rear of gear so your comp can't easily see what you're running (Pro Tip\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Shr3dr Bike Parts ","offers":[{"title":"38t","offer_id":46937579094188,"sku":null,"price":39.99,"currency_code":"AUD","in_stock":true},{"title":"42t","offer_id":46937579126956,"sku":null,"price":39.99,"currency_code":"AUD","in_stock":true},{"title":"36t","offer_id":46937579159724,"sku":null,"price":39.99,"currency_code":"AUD","in_stock":true},{"title":"37t","offer_id":46937579192492,"sku":null,"price":39.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9094\/8268\/files\/att.pYUU86wm-_lkLYO5T_9EA11QQjh3wn41hcaZ9TkyB7k.jpg?v=1786872062"},{"product_id":"michram-industries-s-series-chainring","title":"Michram Industries S Series Chainring","description":"\u003cheader class=\"fix\"\u003e\n\u003ch1 class=\"entry-title\"\u003eProduct Spotlight: Michram oneseven Luke Madill Signature Chainring\u003c\/h1\u003e\n\u003c\/header\u003e\n\u003cdiv class=\"clear\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"text\"\u003e\n\u003cp\u003eLuke Madill is quite simply a legend in Australian BMX, but also well known world wide.\u003c\/p\u003e\n\u003cp\u003eThere are very few who have accomplished more than him and have been able to remain competitive over such a long career. Even in his “twilight years” (if such a thing ever exists for the evergreen LM17), while Luke is focused on coaching the next generation of champions, he’s still able to compete with Australia’s best.\u003c\/p\u003e\n\u003cp\u003eAccomplishments\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne of the chosen few to compete at BMX’s Olympic debut in Beijing 2008\u003c\/li\u003e\n\u003cli\u003eRedbull Revolution finalist\u003c\/li\u003e\n\u003cli\u003eUCI Supercross World Cup finalist\u003c\/li\u003e\n\u003cli\u003eMany times World Championship finalist\u003c\/li\u003e\n\u003cli\u003eMany times Australian Champion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt’s no surprise he has his name on one of Australia’s biggest selling home-grown products, the Luke Madill signature series Michram oneseven chainring.\u003c\/p\u003e\n\u003ch2\u003eMichram oneseven Chainring Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLuke Madill Signature Series.\u003c\/li\u003e\n\u003cli\u003eThe ‘oneseven’ is best Alloy sprocket money can buy.\u003c\/li\u003e\n\u003cli\u003eEach one CNC machined here in AUS out of quality 7075 T6 Alloy.\u003c\/li\u003e\n\u003cli\u003eSizes from 38 to 49T.\u003c\/li\u003e\n\u003cli\u003eLarge range of colours.\u003c\/li\u003e\n\u003cli\u003eOptions to personalise your chainring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Shr3dr Bike Parts ","offers":[{"title":"34T - ORANGE\/PINK","offer_id":46937688899756,"sku":null,"price":40.0,"currency_code":"AUD","in_stock":true},{"title":"35T - PURPLE","offer_id":46937688932524,"sku":null,"price":40.0,"currency_code":"AUD","in_stock":true},{"title":"38T - ORANGE","offer_id":46937688965292,"sku":null,"price":40.0,"currency_code":"AUD","in_stock":true},{"title":"39T - PURPLE","offer_id":46937688998060,"sku":null,"price":40.0,"currency_code":"AUD","in_stock":true},{"title":"40T - ORANGE","offer_id":46937689030828,"sku":null,"price":40.0,"currency_code":"AUD","in_stock":true},{"title":"41T - ORANGE","offer_id":46937689063596,"sku":null,"price":40.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9094\/8268\/files\/MICHRAMCHAINRING.jpg?v=1786875676"},{"product_id":"untitled-aug28_07-01-28","title":"Crupi Expert Crank Set 170mm (Black)","description":"\u003cp\u003eThe Crupi Expert Cranks-Black at Shr3dr Bike Parts use high-quality materials and advanced engineering to deliver a lightweight yet strong BMX race crank. Built from forged 6061-T6 aluminum alloy, the Expert Race Cranks feature steel pedal inserts for added strength and well as an integrated 104BCD 4-bolt spider for use with a 4-bolt gear. For even more weight savings and durability, this crank is made with a hollow chromoly steel spindle integrated into the drive-side arm. Included pedal washers are to be used at all times and the recommended rider weight limit for the Crupi Expert Race Cranks is 165 lb.\u003c\/p\u003e\n\u003ch3\u003eSPECIFICATIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSteel pedal inserts for strength\u003c\/li\u003e\n\u003cli\u003ePedal washers (included) must be used at all times!\u003c\/li\u003e\n\u003cli\u003eHollow 24mm 10-Spline chromoly spindle is permanently pressed into the drive-side arm\u003c\/li\u003e\n\u003cli\u003eBuilt in 104BCD 4-Bolt spider\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote\u003c\/strong\u003e: Recommended 165lb Rider Weight Limit\u003c\/li\u003e\n\u003cli\u003eBottom Bracket sold separately\u003c\/li\u003e\n\u003cli\u003eAvailable in silver or black in sizes 152mm - 170mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e= 23oz (160mm)\u003c\/li\u003e\n\u003cli\u003eTighten Spindle Bolt to 2-2.5Nm\u003c\/li\u003e\n\u003cli\u003eTighten Pinch Bolts to 12-14Nm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eCrank Size Chart\u003c\/h2\u003e\n\u003ctable class=\"pdGeometry\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eInseam length\u003c\/th\u003e\n\u003cth\u003eCrank Length\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr class=\"colspan\"\u003e\n\u003ctd colspan=\"2\"\u003eCrank Size: Micro, Mini. Junior\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15 - 16 inch\u003c\/td\u003e\n\u003ctd\u003e130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16 - 17.5 inch\u003c\/td\u003e\n\u003ctd\u003e135 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e17.5 - 19 inch\u003c\/td\u003e\n\u003ctd\u003e140 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19 - 20 inch\u003c\/td\u003e\n\u003ctd\u003e145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20 - 22 inch\u003c\/td\u003e\n\u003ctd\u003e150 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"colspan\"\u003e\n\u003ctd colspan=\"2\"\u003eCrank Size: Junior, Expert, Expert XL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20 - 22 inch\u003c\/td\u003e\n\u003ctd\u003e150 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e22 - 23 inch\u003c\/td\u003e\n\u003ctd\u003e155 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e23 - 25 inch\u003c\/td\u003e\n\u003ctd\u003e160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25 - 26 inch\u003c\/td\u003e\n\u003ctd\u003e165 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"colspan\"\u003e\n\u003ctd colspan=\"2\"\u003eCrank Size: Pro and Larger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e26 - 27 inch\u003c\/td\u003e\n\u003ctd\u003e170 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e27 - 28 inch\u003c\/td\u003e\n\u003ctd\u003e175 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e28 - 30 inch\u003c\/td\u003e\n\u003ctd\u003e177.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30 - 31 inch\u003c\/td\u003e\n\u003ctd\u003e180 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e31 - 32 inch\u003c\/td\u003e\n\u003ctd\u003e185 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e33+ inch\u003c\/td\u003e\n\u003ctd\u003e190 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Shr3dr Bike Parts ","offers":[{"title":"170mm","offer_id":47078088605868,"sku":null,"price":299.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9094\/8268\/files\/CRUPIEXPERTCRANKSET170MM.webp?v=1787879977"},{"product_id":"insight-bmx-crank-set-170mm-black-grey","title":"Insight BMX Crank Set 170mm (Black \/ Grey)","description":"\u003ch2 itemprop=\"name\"\u003eINSIGHT PL4 2pce Cranks 4 Bolt 104bcd 170mm (Black-Grey)\u003c\/h2\u003e\n\u003cp\u003eINSIGHT PL4 2 Piece BMX Racing Crankset with Cromo Spindle.\u003c\/p\u003e\n\u003cp\u003eAll new for BMX racing, the INSIGHT PL4 crank set, a lightweight 2 piece Crank set, featuring a 4 Bolt Spider Arm with a 24mm Cromo Spindle Axle thats press fit into the crank arm. The Non drive side features a dual pinch bolt design to keep the cranks tight and running smooth, all the way to the podium!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrank Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eForged  6061-T6 Aluminum crank arms \u003c\/li\u003e\n\u003cli\u003e24mm Cromo spindle axle that is press fit into Drive side, Non Drive side has dual pinch bolts\u003c\/li\u003e\n\u003cli\u003e104mm 4 Bolt Chain Ring Pattern\u003c\/li\u003e\n\u003cli\u003e3 Size options - 170, 175 and 180mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom Bracket not included\u003c\/strong\u003e - For use with a 24mm Bottom Bracket including Press Fit or Euro Style threaded BB's\u003c\/li\u003e\n\u003cli\u003eQ Factor 160mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e2 Color Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBlack w\/ black laser etched graphics\u003c\/li\u003e\n\u003cli\u003eBlack w\/ silver laser etched graphics \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCrank Weights \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e170mm: - 774 Grams - 27.3 ounces \u003c\/li\u003e\n\u003cli\u003e175mm: - 785 Grams - 27.6 ounces \u003c\/li\u003e\n\u003cli\u003e180mm: - 793 Grams - 27.9 ounces\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shr3dr Bike Parts ","offers":[{"title":"170mm","offer_id":47078064980140,"sku":null,"price":299.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9094\/8268\/files\/insightp14cranks170mmblack_grey.jpg?v=1787880658"},{"product_id":"insight-mx4-2-piece-crankset-165mm","title":"Insight MX4 2-Piece Crankset 165mm","description":"\u003cp\u003eThe Insight MX4 2-Piece Crankset is designed for younger riders stepping up to a 24mm axle with a 4-bolt spider pattern. A lightweight alloy spindle and 4-bolt chainring compatibility make it easy to shed weight from your race setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eForged 6061-T6 aluminium crank arms\u003c\/li\u003e\n\u003cli\u003e24mm 7075-T6 alloy spindle — press fit into drive side, dual pinch bolts on non-drive side\u003c\/li\u003e\n\u003cli\u003e104BCD 4-bolt chainring pattern\u003c\/li\u003e\n\u003cli\u003eAvailable in 6 sizes: 140, 145, 152, 155, 160 \u0026amp; 165mm\u003c\/li\u003e\n\u003cli\u003eQ Factor: 160mm\u003c\/li\u003e\n\u003cli\u003eBottom Bracket not included — compatible with 24mm Press Fit or Euro-threaded BBs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWeights (with bolts)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e140mm: 550g \/ 19.4oz\u003c\/li\u003e\n\u003cli\u003e152mm: 568g \/ 20.0oz\u003c\/li\u003e\n\u003cli\u003e155mm: 573g \/ 20.2oz\u003c\/li\u003e\n\u003cli\u003e160mm: 585g \/ 20.6oz\u003c\/li\u003e\n\u003cli\u003e165mm: 593g \/ 20.8oz\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shr3dr Bike Parts","offers":[{"title":"165mm","offer_id":47078241370284,"sku":null,"price":299.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9094\/8268\/files\/insight-mx4-crankset.jpg?v=1787881029"},{"product_id":"insight-square-drive-cranks-5-bolt-110bcd-130mm-red","title":"Insight Square-Drive Cranks 5-Bolt 110BCD 130mm (Red)","description":"\u003cp\u003eThe Insight Square-Drive Cranks are a great upgrade for younger or smaller BMX racers looking to add colour and performance to their bike. 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