{"product_id":"alugear-round-1x-aero-chainring-for-shimano-grx","title":"ALUGEAR Round 1X AERO Chainring for Shimano GRX","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\"\u003e1x Gravel AERO Chainring\u003c\/p\u003e\n\u003ch1\u003eALUGEAR Round 1X AERO Chainring for Shimano GRX\u003c\/h1\u003e\n\u003cp class=\"lede\"\u003eAn AERO narrow-wide single ring for Shimano GRX FC-RX820 and FC-RX810 cranks, for clean 1x gravel builds. Sizes from 38T to 50T.\u003c\/p\u003e\u003c\/header\u003e\u003csection class=\"section\"\u003e\u003cdiv class=\"grid\"\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e38T-50T\u003c\/strong\u003e\u003cspan\u003eSizes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e110 BCD\u003c\/strong\u003e\u003cspan\u003eShimano GRX asymmetric\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e75 g\u003c\/strong\u003e\u003cspan\u003e38T weight\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e0.5 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\u003eMade for GRX\u003c\/h3\u003e\n\u003cp\u003eFits FC-RX820 (12-speed) and FC-RX810 (11-speed) cranks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003cdiv class=\"body\"\u003e\n\u003ch3\u003eNarrow-wide retention\u003c\/h3\u003e\n\u003cp\u003eHolds the chain over rough ground without a front mech.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003cdiv class=\"body\"\u003e\n\u003ch3\u003eAERO styling\u003c\/h3\u003e\n\u003cp\u003eA smooth face that tidies up the crank's look.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003cdiv class=\"body\"\u003e\n\u003ch3\u003e11 or 12-speed\u003c\/h3\u003e\n\u003cp\u003eRuns on Shimano HG+ 12sp, KMC 12sp and Shimano 11sp chains.\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\u003eIntended use\u003c\/dt\u003e\n\u003cdd\u003e1x11 and 1x12 gravel\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eBCD\u003c\/dt\u003e\n\u003cdd\u003e110 mm Shimano asymmetric (GRX)\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eCompatible cranks\u003c\/dt\u003e\n\u003cdd\u003eGRX FC-RX820, FC-RX810\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eNot compatible\u003c\/dt\u003e\n\u003cdd\u003eFC-RX610, FC-RX600\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eOffset\u003c\/dt\u003e\n\u003cdd\u003e0.5 mm\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e38T 75 g to 50T 125 g\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eDiameter\u003c\/dt\u003e\n\u003cdd\u003e38T 161.3 mm to 50T 210.4 mm\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eChains\u003c\/dt\u003e\n\u003cdd\u003eShimano 12sp HG+, KMC 12sp, Shimano 11sp\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\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdt\u003eFinish\u003c\/dt\u003e\n\u003cdd\u003eHard anodised\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 AERO 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 \/ 38T","offer_id":57356048302458,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 40T","offer_id":57356048335226,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 42T","offer_id":57356048367994,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 44T","offer_id":57356048400762,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 46T","offer_id":57356048433530,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 48T","offer_id":57356048466298,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 50T","offer_id":57356048499066,"sku":null,"price":99.99,"currency_code":"GBP","in_stock":false},{"title":"Silver \/ 38T","offer_id":57356049154426,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Red \/ 38T","offer_id":57356049187194,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Blue \/ 38T","offer_id":57356049219962,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Orange \/ 38T","offer_id":57356049252730,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 38T","offer_id":57356049285498,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Gold \/ 38T","offer_id":57356049318266,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Purple \/ 38T","offer_id":57356049351034,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Silver \/ 40T","offer_id":57356049383802,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Red \/ 40T","offer_id":57356049416570,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Blue \/ 40T","offer_id":57356049449338,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Orange \/ 40T","offer_id":57356049482106,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 40T","offer_id":57356049514874,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Gold \/ 40T","offer_id":57356049547642,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Purple \/ 40T","offer_id":57356049580410,"sku":null,"price":89.99,"currency_code":"GBP","in_stock":false},{"title":"Silver \/ 42T","offer_id":57356049613178,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Red \/ 42T","offer_id":57356049645946,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Blue \/ 42T","offer_id":57356049678714,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Orange \/ 42T","offer_id":57356049711482,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 42T","offer_id":57356049744250,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Gold \/ 42T","offer_id":57356049777018,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Purple \/ 42T","offer_id":57356049809786,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Silver \/ 44T","offer_id":57356049842554,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Red \/ 44T","offer_id":57356049875322,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Blue \/ 44T","offer_id":57356049908090,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Orange \/ 44T","offer_id":57356049940858,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 44T","offer_id":57356049973626,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Gold \/ 44T","offer_id":57356050006394,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Purple \/ 44T","offer_id":57356050039162,"sku":null,"price":91.99,"currency_code":"GBP","in_stock":false},{"title":"Silver \/ 46T","offer_id":57356050071930,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Red \/ 46T","offer_id":57356050104698,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Blue \/ 46T","offer_id":57356050137466,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Orange \/ 46T","offer_id":57356050170234,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 46T","offer_id":57356050203002,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Gold \/ 46T","offer_id":57356050235770,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Purple \/ 46T","offer_id":57356050268538,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Silver \/ 48T","offer_id":57356050301306,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Red \/ 48T","offer_id":57356050334074,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Blue \/ 48T","offer_id":57356050366842,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Orange \/ 48T","offer_id":57356050399610,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 48T","offer_id":57356050432378,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Gold \/ 48T","offer_id":57356050465146,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Purple \/ 48T","offer_id":57356050497914,"sku":null,"price":95.99,"currency_code":"GBP","in_stock":false},{"title":"Silver \/ 50T","offer_id":57356050530682,"sku":null,"price":99.99,"currency_code":"GBP","in_stock":false},{"title":"Red \/ 50T","offer_id":57356050563450,"sku":null,"price":99.99,"currency_code":"GBP","in_stock":false},{"title":"Blue \/ 50T","offer_id":57356050596218,"sku":null,"price":99.99,"currency_code":"GBP","in_stock":false},{"title":"Orange \/ 50T","offer_id":57356050628986,"sku":null,"price":99.99,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 50T","offer_id":57356050661754,"sku":null,"price":99.99,"currency_code":"GBP","in_stock":false},{"title":"Gold \/ 50T","offer_id":57356050694522,"sku":null,"price":99.99,"currency_code":"GBP","in_stock":false},{"title":"Purple \/ 50T","offer_id":57356050727290,"sku":null,"price":99.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0487\/4007\/3623\/files\/image-1_a28694c0-39e2-4d33-ba2d-fd8d7123ddbd.jpg?v=1791321236","url":"https:\/\/thecyclecollective.cc\/products\/alugear-round-1x-aero-chainring-for-shimano-grx","provider":"thecyclecollective.cc","version":"1.0","type":"link"}