{"product_id":"sram-red-axs-e1-crankset","title":"SRAM Red AXS E1 Crankset","description":"\u003cp\u003eWe’re not ones to rest on our laurels. So when we found ways to make our lightest and stiffest crank even lighter, we went for it. A new optimized layup drops further grams from our hollow carbon arms, and to stay on top of current fit trends we’ve added our first carbon 160mm crankarm length option. And our X-Range gearing keeps your cadence change during a front shift to the minimum, maximizing your ability to put power down.\u003c\/p\u003e\n\u003ch3\u003e2x Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne-piece 2x chainring results in a lighter weight, stiffer, more durable crankset\u003c\/li\u003e\n\u003cli\u003e29 g lighter than the previous generation\u003c\/li\u003e\n\u003cli\u003eX-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear\u003c\/li\u003e\n\u003cli\u003eCrisp and accurate front shifts\u003c\/li\u003e\n\u003cli\u003eUltra-light hollow carbon fiber crankarms\u003c\/li\u003e\n\u003cli\u003eDUB bottom bracket adds durability and simplicity\u003c\/li\u003e\n\u003cli\u003e50\/37T, 48\/35T and 46\/33T chainring combos available\u003c\/li\u003e\n\u003cli\u003eCan be upgraded to a power meter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e1x Aero\u003c\/h3\u003e\n\u003cp\u003ePaired with an aerodynamic 1x chainring, this crank is ready to help you smash PRs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSingle-ring drivetrain simplifies functionality and reduces weight\u003c\/li\u003e\n\u003cli\u003eDirect mount aero chainrings for better aerodynamics\u003c\/li\u003e\n\u003cli\u003eX-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control\u003c\/li\u003e\n\u003cli\u003eCan be upgraded to a power meter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpeeds: 12 (1x also 13)\u003c\/li\u003e\n\u003cli\u003eCrank arm material: Carbon (natural carbon)\u003c\/li\u003e\n\u003cli\u003eChainring material: Aluminum, 8-bolt direct mount\u003c\/li\u003e\n\u003cli\u003eChainline: 45.0mm\u003c\/li\u003e\n\u003cli\u003eSpindle interface: DUB (all SRAM Road DUB BBs, BB not included)\u003c\/li\u003e\n\u003cli\u003eChain technology: Road Flattop 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