{"product_id":"white-industries-mr30-tsr-1x-chainrings","title":"MR30 TSR 1X CHAINRINGS","description":"\u003cp\u003eThe White Industries \u003cstrong\u003eTSR 1X CHAINRING\u003c\/strong\u003e delivers reliable chain retention and efficient power transfer for modern 8–12-speed 1x drivetrains. We precision-machine every chainring in our Petaluma, California facility using premium aluminum. As a result, every chainring offers exceptional strength, durability, and long-lasting performance.\u003c\/p\u003e\n\u003cp\u003eThe TSR, which stands for \u003cspan style=\"text-decoration: underline;\"\u003eTall-Short-Ring\u003c\/span\u003e, features a narrow-wide tooth profile that securely grips the chain. This design helps reduce chain drops on rough trails, gravel roads, and technical terrain. Therefore, it’s an excellent choice for mountain bikes, gravel bikes, cyclocross bikes, and adventure bikes. It is also fully compatible with singlespeed drivetrains.\u003c\/p\u003e\n\u003cp\u003eFor more than 30 years, White Industries has designed and manufactured precision bicycle components that combine performance, reliability, and craftsmanship. The \u003cstrong\u003eTSR 1X CHAINRING\u003c\/strong\u003e continues that tradition with carefully engineered tooth profiles that deliver smooth pedaling and dependable chain retention on every ride.\u003c\/p\u003e\n\u003cp\u003eMost chainrings are precision-machined from 7075-T6 aluminum, a material known for its outstanding strength-to-weight ratio. Meanwhile, 48T through 52T chainrings are machined from 6061-T6 aluminum. This material provides the additional strength and stiffness needed for larger chainring sizes.\u003c\/p\u003e\n\u003cp\u003eWhether you’re racing, exploring new trails, or commuting every day, the White Industries \u003cb\u003eTSR 1X CHAINRING \u003c\/b\u003eis built to perform. It delivers quiet operation, dependable chain retention, and the premium American-made quality riders have trusted for decades.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for 8–12-speed 1x drivetrains\u003c\/li\u003e\n\u003cli\u003eCompatible with singlespeed drivetrains\u003c\/li\u003e\n\u003cli\u003eTall-Short-Ring (TSR) narrow-wide tooth profile for improved chain retention\u003c\/li\u003e\n\u003cli\u003eReduces the risk of dropped chains on rough terrain\u003c\/li\u003e\n\u003cli\u003ePrecision CNC-machined in Petaluma, California\u003c\/li\u003e\n\u003cli\u003eManufactured from 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e48T–52T chainrings machined from 6061-T6 aluminum\u003c\/li\u003e\n\u003cli\u003eLightweight, durable, and easy to service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecs.\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAvailable in black anodized and raw (unpolished) silver\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e28 teeth to 52 teeth in 2 tooth increments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBoost and non-Boost versions\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eStandard\/non-boost rings have a 3mm offset (inward)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBoost rings are flat (so 3mm outward of our standard\/non-boost rings)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eStandard\/non-Boost rings can be flipped so the offset shifts outward to give you 3mm more outward offset than our Boost rings\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eThis set up is is used on M30 cranks for a \u003cspan\u003e55mm chainline needed for SRAM Transmission, Rohloff hubs, and Super Boost 157mm spaced hubs\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChainlines:\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable width=\"100%\" style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35%;\"\u003e\u003cstrong\u003eCrank arm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65%;\"\u003eR30: Road arms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35%;\"\u003e\u003cstrong\u003eSpindle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65%;\"\u003eR30 (road spindle)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35%;\"\u003e\u003cstrong\u003e1x chainline\u003cbr\u003e(3mm offset ring, facing inward)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65%;\"\u003e46.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35%;\"\u003e\u003cstrong\u003e1x Boost chainline\u003cbr\u003e(0mm offset\/flat ring)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65%;\"\u003e49.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35%;\"\u003e\u003cstrong\u003e1x chainline\u003cbr\u003e(3mm offset flipped outward)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65%;\"\u003e52.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35%;\"\u003e\u003cstrong\u003e2x chainline\u003cbr\u003e(measured between the 2 rings)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65%;\"\u003e45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e*55mm chainline for SRAM Transmission, Rohloff hubs, Super Boost 157mm spaced hubs\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat's In The Box\u003c\/strong\u003e\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eOne MR30 TSR chainring\u003c\/li\u003e\n\u003cli\u003eChainring mounting lockring not included\n\u003cul\u003e\n\u003cli\u003eLockrings come with the crank arms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMR30 series TSR chainrings fit White Industries MR30 series spindle cranks only\u003c\/li\u003e\n\u003cli\u003eCompatible with SRAM 10\/11\/12 speed and 12 speed flat-top chains\u003c\/li\u003e\n\u003cli\u003eCompatible with SRAM 12 speed Eagle Transmission flat-top chains\u003c\/li\u003e\n\u003cli\u003eCompatible with Shimano 9\/10\/11\/12 speed chains (and now works with the Shimano’s 12 speed Quick Link)\u003c\/li\u003e\n\u003cli\u003eCompatible with single speed 3\/32 chains, but 8 speed 3\/32″ chains are quieter\n\u003cul\u003e\n\u003cli\u003eWe like the SRAM PC 870, KMC X8, and KMC Z8.1\/8.3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eNot compatible with “half” links\u003c\/li\u003e\n\u003cli\u003eNot compatible with 1\/8″ chains\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WHITE INDUSTRIES","offers":[{"title":"BLACK \/ 28 \/ 0mm (Boost)","offer_id":47317124186281,"sku":null,"price":144.0,"currency_code":"USD","in_stock":true},{"title":"BLACK \/ 28 \/ 3mm (Standard\/Non-Boost)","offer_id":47317133885609,"sku":null,"price":144.0,"currency_code":"USD","in_stock":true},{"title":"BLACK \/ 30 \/ 0mm (Boost)","offer_id":47317124382889,"sku":null,"price":144.0,"currency_code":"USD","in_stock":true},{"title":"BLACK \/ 30 \/ 3mm (Standard\/Non-Boost)","offer_id":47317133918377,"sku":null,"price":144.0,"currency_code":"USD","in_stock":true},{"title":"BLACK \/ 32 \/ 0mm (Boost)","offer_id":47317124579497,"sku":null,"price":144.0,"currency_code":"USD","in_stock":true},{"title":"BLACK \/ 32 \/ 3mm 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