{"product_id":"alugear-round-1x-chainring-for-cannondale-hollowgram","title":"ALUGEAR Round 1X Chainring for Cannondale Hollowgram","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\u003cdiv class=\"oc\"\u003e\n\u003cheader class=\"hero\"\u003e\u003cp class=\"eyebrow\"\u003eRound 1x chainring · Hollowgram\u003c\/p\u003e\n\u003ch1\u003eALUGEAR Round 1X Chainring for Cannondale Hollowgram\u003c\/h1\u003e\n\u003cp class=\"lede\"\u003eA round narrow-wide single ring that mounts directly to Cannondale Hollowgram Si, SiSL and SiSL2 cranks. Choose from 36T to 52T for road or gravel gearing.\u003c\/p\u003e\u003c\/header\u003e\u003csection class=\"section\"\u003e\u003cdiv class=\"grid\"\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003eHollowgram\u003c\/strong\u003e\u003cspan\u003eDirect mount\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e36–52T\u003c\/strong\u003e\u003cspan\u003eTooth range\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e72 g\u003c\/strong\u003e\u003cspan\u003eFrom (36T)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e-2.0 mm\u003c\/strong\u003e\u003cspan\u003eOffset\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\u003eDirect mount for Hollowgram\u003c\/h3\u003e\n\u003cp\u003eFits Cannondale Hollowgram Si, SiSL and SiSL2 cranksets directly, for a tidy single-ring setup.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003cdiv class=\"body\"\u003e\n\u003ch3\u003eNarrow-wide teeth\u003c\/h3\u003e\n\u003cp\u003eAlternating thick and thin teeth hold the chain securely on a 1x drivetrain, keeping noise down and reducing the risk of dropped chains.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003cdiv class=\"body\"\u003e\n\u003ch3\u003eCNC-machined 7075-T6\u003c\/h3\u003e\n\u003cp\u003eMilled from high-strength 7075-T6 aluminium and hard-anodised, so the ring resists knocks and wear and keeps its finish.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003cdiv class=\"body\"\u003e\n\u003ch3\u003eBest with a clutch mech\u003c\/h3\u003e\n\u003cp\u003eFor the most secure 1x setup ALUGEAR recommend a clutch rear derailleur and a fresh chain fitted with the new ring.\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\n\u003carticle class=\"spec-card\"\u003e\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eShape\u003c\/dt\u003e\n\u003cdd\u003eRound\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eMount\u003c\/dt\u003e\n\u003cdd\u003eCannondale Hollowgram direct mount (Si, SiSL, SiSL2)\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eTooth range\u003c\/dt\u003e\n\u003cdd\u003e36T–52T\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eTooth profile\u003c\/dt\u003e\n\u003cdd\u003eNarrow-wide, 1x only\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eOffset\u003c\/dt\u003e\n\u003cdd\u003e-2.0 mm\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e36T 72 g; 38T 78 g; 40T 85 g; 42T 92 g; 44T 96 g; 46T 105 g; 48T 112 g; 50T 123 g; 52T 127 g\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eDiameter\u003c\/dt\u003e\n\u003cdd\u003e36T 154.2 mm; 38T 161.3 mm; 40T 171.0 mm; 42T 179.0 mm; 44T 187.0 mm; 46T 195.5 mm; 48T 202.4 mm; 50T 210.4 mm; 52T 219.0 mm\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003e7075-T6 aluminium, CNC machined, anodised\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eCompatible chains\u003c\/dt\u003e\n\u003cdd\u003eSRAM and Shimano 10\/11\/12-speed\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003c\/dl\u003e\u003c\/article\u003e\u003carticle class=\"spec-card\"\u003e\u003ch3\u003eIn the box\u003c\/h3\u003e\n\u003cdl\u003e\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eIncludes\u003c\/dt\u003e\n\u003cdd\u003e1x chainring\u003c\/dd\u003e\n\u003c\/div\u003e\u003c\/dl\u003e\u003c\/article\u003e\n\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\u003eMade to order by ALUGEAR. For availability, lead times, sizing or compatibility 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":"ALUGEAR","offers":[{"title":"Black \/ 36T","offer_id":57356020154746,"sku":null,"price":77.99,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 38T","offer_id":57356020187514,"sku":null,"price":77.99,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 40T","offer_id":57356020220282,"sku":null,"price":83.99,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 42T","offer_id":57356020253050,"sku":null,"price":83.99,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 44T","offer_id":57356020285818,"sku":null,"price":83.99,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 46T","offer_id":57356020318586,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 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