{"product_id":"oval-boost-for-shimano-dm-12sp-mtb-260","title":"Oval Boost for Shimano DM 12sp. MTB","description":"\u003cstrong\u003eThe original design ALUGEAR chainring “Xtrect”\u003c\/strong\u003e\n\n\u003ch4\u003e\u003cstrong\u003eTECHNICAL SPECIFICATIONS\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOffset:\u003c\/strong\u003e 26T-38T 3,0mm\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainline:\u003c\/strong\u003e 26T-38T 52,0mm; 55,0mm; 56,5mm (depending on used crank)\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight: \u003c\/strong\u003e26T- 46g; 28T- 51g; 30T- 57g; 32T- 62g; 34T- 69g; 36T- 73g; 38T- 79g\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter: \u003c\/strong\u003e26T- 120mm; 28T- 128mm; 30T- 136mm; 32T- 144mm; 34T- 152mm; 36T- 162mm; 38T- 170mm\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiming:\u003c\/strong\u003e 108° (top dead center)\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvality:\u003c\/strong\u003e 12%\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial: \u003c\/strong\u003e7075-T6 aluminum\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade: \u003c\/strong\u003eCNC milling\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface coating: \u003c\/strong\u003eAnodizing\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eCOMPATIBILITY\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\nFor Shimano Direct Mount 12 speed cranksets: XTR M9100\/9120\/9125\/9130, XT M8100\/8120\/8130, SLX M7100\/7120\/7130, Deore M6100\/6120\/6130, MT900, MT610.\n\u003c\/li\u003e\n\u003cli\u003e\nCranksets \u003cspan\u003eM9100\u003c\/span\u003e\/9120\u003cspan\u003e, M8100, M7100, M6100, \u003c\/span\u003eMT900, MT610 will use with a Boost chainring (3mm offset), and it is compatible with 142 mm or 148 mm O.L.D. frames.\n\u003c\/li\u003e\n\u003cli\u003e\nCranksets M9125, M8120, M7120, M6120 have a longer spindle and also use a Boost chainring (3mm offset). It is compatible with 148 mm O.L.D. frames.\n\u003c\/li\u003e\n\u003cli\u003e\nCranksets M9130, M8130, M7130, M6130 have an even longer spindle and also use a Boost chainring (3mm offset). These cranks should use with 157 mm O.L.D. frames.\n\u003c\/li\u003e\n\u003cli\u003e\nMTB chainrings you may use the following chains: all 10sp; 11sp; 12sp Shimano Hyperglide+ and 10sp, 11sp, 12sp SRAM.\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eINFORMATION\u003c\/strong\u003e\u003c\/h4\u003e\nALUGEAR chainrings are some of the lightest chainrings on the market. Using our experience and vigorous testing, we tweaked the arm design and strategically machined the chainrings so that only minimal sacrifices were made in impact strength in exchange for large gains in weight reduction.\nThe chainrings are CNC machined from 7075 T6 aluminum and hard coat industrially anodized to provide protection from mechanical impacts, a good look, and an excellent tactile feel to each of the chainrings that lasts a long time.\u003cbr\u003eA unique tooth profile eliminates chain noise, reduces wear, and provides smooth operation on the entire system of all the most common combinations, such as 10, 11, and 12-speed drives. The Narrow Wide teeth guide the chain reliably.\nThe tooth profile is specially designed for use with MTB chains.\nALUGEAR chainrings are the best choice if you are looking for a technologically sound chainring with a unique design and low weight.\n\n\u003ch4\u003e\u003cstrong\u003eRECOMMENDATIONS\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\nWe recommend the use of a clutch system rear derailleur for the best chain security.\n\u003c\/li\u003e\n\u003cli\u003e\nIt is also a good idea to use a new chain with your new ALUGEAR chainring.\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eINSTALLATION INSTRUCTIONS \u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003ca href=\"https:\/\/alugear.com\/img\/cms\/Oval%20Alugear%20Chainring%20Instalation_1.png\" rel=\"noreferrer noopener\" target=\"_blank\"\u003eThe chainring installation scheme\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"alugear","offers":[{"title":"Black \/ 26T","offer_id":52796810199378,"sku":"5908374205951","price":69.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ 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