{"product_id":"sram-red-axs-e1-crankset","title":"SRAM RED AXS E1 Crankset","description":"\u003cstyle\u003e\n.oc{--line:#e6e6e2;--soft:#f7f7f5;--muted:#5f6368;--radius:18px;--shadow:0 10px 28px rgba(0,0,0,.07);font-family:Inter,system-ui,-apple-system,\"Segoe UI\",sans-serif;color:#111;line-height:1.55}\n.oc *{box-sizing:border-box}\n.oc h1,.oc h2,.oc h3{letter-spacing:-.035em;line-height:1.05;margin:0 0 1rem}\n.oc h1{font-size:clamp(2.4rem,7vw,5.5rem)}\n.oc h2{font-size:clamp(1.7rem,3.5vw,3rem)}\n.oc h3{font-size:clamp(1.2rem,1.8vw,1.6rem)}\n.oc .eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:700;color:#777;margin:0 0 .8rem}\n.oc .hero{text-align:center;padding:clamp(2.5rem,6vw,5rem) clamp(1rem,4vw,3rem);background:linear-gradient(180deg,#fff 0%,#f8f8f5 100%)}\n.oc .hero .lede{max-width:820px;margin:0 auto;font-size:clamp(1.05rem,1.8vw,1.4rem);color:var(--muted)}\n.oc .section{padding:clamp(2rem,5vw,4.5rem) clamp(1rem,4vw,3rem)}\n.oc .soft{background:var(--soft)}\n.oc .intro{max-width:820px;margin:0 auto 2rem;text-align:center}\n.oc .intro p{color:var(--muted);font-size:clamp(1rem,1.5vw,1.2rem)}\n.oc .grid{display:grid;gap:clamp(1rem,2vw,1.6rem);grid-template-columns:repeat(auto-fit,minmax(240px,1fr));max-width:1300px;margin:0 auto}\n.oc .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}\n.oc .card .body{padding:1.2rem 1.4rem}\n.oc .card .body p{margin:.4rem 0 0;color:var(--muted)}\n.oc .stat{padding:1.6rem 1.4rem;display:flex;flex-direction:column;justify-content:flex-end;min-height:150px}\n.oc .stat strong{font-size:clamp(1.6rem,3.2vw,2.6rem);line-height:1;letter-spacing:-.04em}\n.oc .stat span{color:var(--muted);margin-top:.5rem;font-size:.95rem}\n.oc .spec-grid{display:grid;gap:clamp(1rem,2vw,1.6rem);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));max-width:1300px;margin:0 auto}\n.oc .spec-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.2rem 1.5rem}\n.oc .spec-row{display:grid;grid-template-columns:130px 1fr;gap:1rem;padding:.8rem 0;border-top:1px solid var(--line)}\n.oc .spec-row:first-of-type{border-top:0}\n.oc .spec-row dt{font-weight:800;margin:0}\n.oc .spec-row dd{margin:0;color:#666}\n.oc dl{margin:0}\n@media(max-width:620px){.oc .spec-row{grid-template-columns:1fr;gap:.2rem}}\n\u003c\/style\u003e\n\u003cdiv class=\"oc\"\u003e\n\u003cheader class=\"hero\"\u003e\u003cp class=\"eyebrow\"\u003e2x road crankset\u003c\/p\u003e\n\u003ch1\u003eSRAM RED AXS E1 Crankset\u003c\/h1\u003e\n\u003cp class=\"lede\"\u003eSRAM's lightest 2x crankset pairs hollow carbon arms with a one-piece X-Range chainring set, available plain or with a dual-sided power meter built into the rings. A 160mm option joins the range for shorter riders and aero-focused fits.\u003c\/p\u003e\u003c\/header\u003e\u003csection class=\"section\"\u003e\u003cdiv class=\"grid\"\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e545g\u003c\/strong\u003e\u003cspan\u003eWithout power meter (172.5mm, 48-35T)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e580g\u003c\/strong\u003e\u003cspan\u003eWith power meter (172.5mm, 48-35T)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e±1.5%\u003c\/strong\u003e\u003cspan\u003ePower accuracy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e29g\u003c\/strong\u003e\u003cspan\u003eLighter arms than previous RED\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"section soft\"\u003e\u003cdiv class=\"intro\"\u003e\n\u003cp class=\"eyebrow\"\u003eHighlights\u003c\/p\u003e\n\u003ch2\u003eWhy we rate it\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid\"\u003e\n\u003carticle class=\"card\"\u003e\u003cdiv class=\"body\"\u003e\n\u003ch3\u003eHollow carbon arms\u003c\/h3\u003e\n\u003cp\u003eReworked carbon layup trims weight over the previous RED crank while keeping the stiffness racers expect.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003cdiv class=\"body\"\u003e\n\u003ch3\u003ePower in the rings\u003c\/h3\u003e\n\u003cp\u003eOn the power meter version the strain gauges sit inside the one-piece chainring, measuring both legs with no separate spider to add weight.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003cdiv class=\"body\"\u003e\n\u003ch3\u003eX-Range gearing\u003c\/h3\u003e\n\u003cp\u003eTight 13-tooth front jumps mean a front shift costs you very little cadence, pairing neatly with SRAM's 10-tooth-start cassettes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003cdiv class=\"body\"\u003e\n\u003ch3\u003eThree ring choices\u003c\/h3\u003e\n\u003cp\u003e50-37T for fast road riding, 48-35T as an all-rounder and 46-33T for climbing or mixed-surface days.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003cdiv class=\"body\"\u003e\n\u003ch3\u003eDUB spindle\u003c\/h3\u003e\n\u003cp\u003eUses SRAM's 28.99mm DUB spindle, so it fits every SRAM Road DUB bottom bracket standard.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003cdiv class=\"intro\"\u003e\n\u003cp class=\"eyebrow\"\u003eTech specs\u003c\/p\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003cp\u003eManufacturer specification. Details may change without notice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-grid\"\u003e\u003carticle class=\"spec-card\"\u003e\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eModel\u003c\/dt\u003e\n\u003cdd\u003eFC-RED-E1 (no power meter) and FC-RED-P-E1 (power meter)\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eSpeeds\u003c\/dt\u003e\n\u003cdd\u003e12 (2x)\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eChainrings\u003c\/dt\u003e\n\u003cdd\u003e46-33T, 48-35T, 50-37T, one-piece aluminium, Direct Mount 8-bolt\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eCrank lengths\u003c\/dt\u003e\n\u003cdd\u003e160, 165, 167.5, 170, 172.5, 175mm\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eCrank material\u003c\/dt\u003e\n\u003cdd\u003eHollow carbon fibre\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eSpindle\u003c\/dt\u003e\n\u003cdd\u003eDUB 28.99mm\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eBB compatibility\u003c\/dt\u003e\n\u003cdd\u003eAll SRAM Road DUB BBs (BB not included)\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eChainline\u003c\/dt\u003e\n\u003cdd\u003e45.0mm\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eChain\u003c\/dt\u003e\n\u003cdd\u003eSRAM Flattop D1 and E1\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003ePower meter\u003c\/dt\u003e\n\u003cdd\u003eSpider-in-chainring, dual-sided with left-right balance, ±1.5%\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003ePower meter battery\u003c\/dt\u003e\n\u003cdd\u003eCR2032 coin cell\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e545g plain, 580g with power meter (172.5mm, 48-35T)\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003c\/dl\u003e\u003c\/article\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"section soft\"\u003e\u003cdiv class=\"intro\"\u003e\n\u003cp class=\"eyebrow\"\u003eOrdering\u003c\/p\u003e\n\u003ch2\u003eAvailable from The Cycle Collective\u003c\/h2\u003e\n\u003cp\u003eAvailable to order through The Cycle Collective in Dorking. For availability, setup or advice, call 0203 148 6764 or email hello@thecyclecollective.cc.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"SRAM","offers":[{"title":"160mm \/ 50-37T \/ Without Power Meter","offer_id":57355668324730,"sku":"SRAM-39-01","price":700.0,"currency_code":"GBP","in_stock":false},{"title":"160mm \/ 50-37T \/ With Power Meter","offer_id":57355668357498,"sku":"SRAM-39-02","price":1200.0,"currency_code":"GBP","in_stock":false},{"title":"160mm \/ 48-35T \/ Without Power Meter","offer_id":57355668390266,"sku":"SRAM-39-03","price":700.0,"currency_code":"GBP","in_stock":false},{"title":"160mm \/ 48-35T \/ With Power Meter","offer_id":57355668423034,"sku":"SRAM-39-04","price":1200.0,"currency_code":"GBP","in_stock":false},{"title":"160mm \/ 46-33T \/ Without Power Meter","offer_id":57355668455802,"sku":"SRAM-39-05","price":700.0,"currency_code":"GBP","in_stock":false},{"title":"160mm \/ 46-33T \/ With Power 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