{"product_id":"m20-titanium-crank-pre-load-cap-for-shimano-hollowtech-ii-road-mtb","title":"M20 Titanium Crank Pre-load Cap for Shimano Hollowtech II (Road \u0026 MTB)","description":"\u003ch3 data-start=\"149\" data-end=\"175\"\u003e\u003cstrong data-start=\"153\" data-end=\"173\"\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"176\" data-end=\"512\"\u003ePrecision \u003cstrong data-start=\"342\" data-end=\"364\"\u003eTi-6Al-4V titanium\u003c\/strong\u003e crank pre-load cap for Shimano Hollowtech II cranksets. Lightweight, low-profile design with secure bearing pre-load control and premium surface finishes.\u003c\/p\u003e\n\u003cp data-start=\"566\" data-end=\"768\"\u003eThe \u003cstrong\u003eS-PARTS Titanium Crank Pre-load Cap\u003c\/strong\u003e is engineered specifically for Shimano Hollowtech II crank systems, where accurate bearing pre-load is critical to drivetrain smoothness and long-term durability.\u003c\/p\u003e\n\u003cp data-start=\"770\" data-end=\"965\"\u003eUnlike standard plastic caps that can deform or strip over time, this precision-machined titanium cap maintains consistent pre-load tension, even under high vibration and repeated service cycles.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3 data-start=\"1120\" data-end=\"1142\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1010\" data-end=\"1029\"\u003eComponent Type:\u003c\/strong\u003e Crank Arm Pre-load Cap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1057\" data-end=\"1070\"\u003eMaterial:\u003c\/strong\u003e \u003cstrong data-start=\"1071\" data-end=\"1108\"\u003eTi-6Al-4V Titanium (ASTM Grade 5)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1113\" data-end=\"1129\"\u003eThread Size:\u003c\/strong\u003e M20 × 1.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1144\" data-end=\"1169\"\u003eSystem Compatibility:\u003c\/strong\u003e Shimano Hollowtech II (Road \u0026amp; MTB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"818\" data-end=\"825\"\u003eCap SN:\u003c\/strong\u003e 29010501, 29010502, 29010503, 29010504, 29010505, 29010506, 29010507, 29010509, 29010510, 29010533, 29010536, 29010537, 29010538, 29010544, 29010547, 29010548, 29010549, 29010550\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1208\" data-end=\"1227\"\u003e\u003cstrong data-start=\"1208\" data-end=\"1227\"\u003eDirect Fit For:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1231\" data-end=\"1260\"\u003e\n\u003cstrong data-start=\"1231\" data-end=\"1244\"\u003eDura-Ace:\u003c\/strong\u003e R9100 \/ R9200\u003c\/li\u003e\n\u003cli data-start=\"1263\" data-end=\"1291\"\u003e\n\u003cstrong data-start=\"1263\" data-end=\"1275\"\u003eUltegra:\u003c\/strong\u003e R8000 \/ R8100\u003c\/li\u003e\n\u003cli data-start=\"1294\" data-end=\"1318\"\u003e\n\u003cstrong data-start=\"1294\" data-end=\"1302\"\u003e105:\u003c\/strong\u003e R7000 \/ R7100\u003c\/li\u003e\n\u003cli data-start=\"1321\" data-end=\"1367\"\u003e\n\u003cstrong data-start=\"1321\" data-end=\"1329\"\u003eMTB:\u003c\/strong\u003e XTR \/ XT \/ SLX (Hollowtech II series)\u003c\/li\u003e\n\u003cli data-start=\"1371\" data-end=\"1398\"\u003e\n\u003cstrong data-start=\"1371\" data-end=\"1390\"\u003eOverall Height:\u003c\/strong\u003e 15 mm\u003c\/li\u003e\n\u003cli data-start=\"1401\" data-end=\"1427\"\u003e\n\u003cstrong data-start=\"1401\" data-end=\"1419\"\u003eHead Diameter:\u003c\/strong\u003e 25 mm\u003c\/li\u003e\n\u003cli data-start=\"1430\" data-end=\"1450\"\u003e\n\u003cstrong data-start=\"1430\" data-end=\"1441\"\u003eWeight:\u003c\/strong\u003e 5.13 g\u003c\/li\u003e\n\u003cli data-start=\"1453\" data-end=\"1483\"\u003e\n\u003cstrong data-start=\"1453\" data-end=\"1476\"\u003eRecommended Torque:\u003c\/strong\u003e 3 Nm\u003c\/li\u003e\n\u003cli data-start=\"1486\" data-end=\"1520\"\u003e\n\u003cstrong data-start=\"1486\" data-end=\"1504\"\u003eTool Required:\u003c\/strong\u003e 10 mm hex key\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-end=\"1340\" data-start=\"1297\"\u003eOptional Pinch Bolt Set (Variant Only)\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-end=\"1361\" data-start=\"1344\"\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 pcs\u003c\/li\u003e\n\u003cli data-end=\"1409\" data-start=\"1364\"\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Ti-6Al-4V Titanium (ASTM Grade 5)\u003c\/li\u003e\n\u003cli data-end=\"1437\" data-start=\"1412\"\u003e\n\u003cstrong\u003eTool Required:\u003c\/strong\u003e T30 Torx\u003c\/li\u003e\n\u003cli data-end=\"1460\" data-start=\"1440\"\u003e\n\u003cstrong\u003eWeight (Pair):\u003c\/strong\u003e 6 g\u003c\/li\u003e\n\u003cli data-end=\"1525\" data-start=\"1463\"\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Secures the left crank arm after pre-load adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt SN:\u003c\/strong\u003e 29020501, 29020502, 29020503, 29020504, 29020505, 29020506, 29020507, 29020509, 29020510\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2748\" data-start=\"2611\"\u003e✅ Available Finishes\u003c\/h3\u003e\n\u003cp data-start=\"1563\" data-end=\"1773\"\u003eGold, Black, Titanium, Blue, Purple, Green, Rainbow, Candy, Indigo, Prism, Splatter Pop, Neon Splatter, Topographic Glacier, GreatWave, Rabbit Camo, Tiger Green-Gold, Jaguar Green-Gold, Snowstorm\u003c\/p\u003e\n\u003cp data-start=\"1775\" data-end=\"1869\"\u003e\u003cem data-start=\"1775\" data-end=\"1869\"\u003eSurface finishes are achieved through advanced anodizing or PVD coating, depending on color.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"1775\" data-end=\"1869\"\u003e✅ Performance Advantages\u003c\/h3\u003e\n\u003cp data-start=\"1916\" data-end=\"2043\"\u003eMost stock Shimano crank pre-load caps are made from plastic and are prone to rounding or stripping during repeated adjustment.\u003c\/p\u003e\n\u003cp data-start=\"2045\" data-end=\"2344\"\u003eThe S-PARTS \u003cstrong data-start=\"2057\" data-end=\"2079\"\u003eTi-6Al-4V titanium\u003c\/strong\u003e pre-load cap delivers strength comparable to \u003cstrong data-start=\"2125\" data-end=\"2171\"\u003e10.9-grade steel at nearly half the weight\u003c\/strong\u003e, ensuring your bearing pre-load remains stable and precise. This translates to smoother crank rotation, improved bearing longevity, and greater confidence during servicing.\u003c\/p\u003e\n\u003cp data-start=\"2346\" data-end=\"2517\"\u003eWith an average tensile strength exceeding \u003cstrong data-start=\"2389\" data-end=\"2401\"\u003e1050 MPa\u003c\/strong\u003e, \u003cstrong data-start=\"2403\" data-end=\"2425\"\u003eTi-6Al-4V titanium\u003c\/strong\u003e offers an exceptional strength-to-weight ratio that standard materials simply cannot match.\u003c\/p\u003e\n\u003ch3\u003e✅ Precision Manufacturing\u003c\/h3\u003e\n\u003cp\u003eEach pre-load cap is produced using S-PARTS proprietary hot-forging molds, followed by final machining on military-grade multi-axis CNC equipment. Strict mold life control and micron-level tolerance management ensure smooth thread engagement and consistent fit across all compatible cranksets.\u003c\/p\u003e","brand":"S-PARTS","offers":[{"title":"Cap \/ Gold","offer_id":45477350899903,"sku":"29010501","price":33.18,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Rainbow","offer_id":45477350932671,"sku":"29010502","price":33.18,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Titanium","offer_id":45477350965439,"sku":"29010503","price":33.18,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Black","offer_id":45477350998207,"sku":"29010504","price":33.18,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Blue","offer_id":45477351030975,"sku":"29010505","price":33.18,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Green","offer_id":45477351063743,"sku":"29010506","price":33.18,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Purple","offer_id":45477351096511,"sku":"29010507","price":33.18,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Candy","offer_id":45477351129279,"sku":"29010509","price":36.52,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Indigo","offer_id":45477351162047,"sku":"29010510","price":36.52,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Prism","offer_id":45477351194815,"sku":"29010533","price":47.11,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Splatter Pop","offer_id":45477351227583,"sku":"29010536","price":47.11,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Neon Splatter","offer_id":45477351260351,"sku":"29010537","price":47.11,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Rabbit Camo","offer_id":45477351293119,"sku":"29010538","price":47.11,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Great Wave","offer_id":45477351325887,"sku":"29010544","price":47.11,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Tiger Green-Gold","offer_id":45477351358655,"sku":"29010547","price":47.11,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Jaguar Green-Gold","offer_id":45477351391423,"sku":"29010548","price":47.11,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Snowstorm","offer_id":45477351424191,"sku":"29010549","price":47.11,"currency_code":"USD","in_stock":true},{"title":"Cap \/ Topographic Glacier","offer_id":45477351456959,"sku":"29010550","price":47.11,"currency_code":"USD","in_stock":true},{"title":"Pinch Bolt \/ Gold","offer_id":45477351489727,"sku":"29020501","price":13.86,"currency_code":"USD","in_stock":true},{"title":"Pinch Bolt \/ Rainbow","offer_id":45477351522495,"sku":"29020502","price":13.86,"currency_code":"USD","in_stock":true},{"title":"Pinch Bolt \/ Titanium","offer_id":45477351555263,"sku":"29020503","price":13.86,"currency_code":"USD","in_stock":true},{"title":"Pinch Bolt \/ Black","offer_id":45477351588031,"sku":"29020504","price":13.86,"currency_code":"USD","in_stock":true},{"title":"Pinch Bolt \/ Blue","offer_id":45477351620799,"sku":"29020505","price":13.86,"currency_code":"USD","in_stock":true},{"title":"Pinch Bolt \/ Green","offer_id":45477351653567,"sku":"29020506","price":13.86,"currency_code":"USD","in_stock":true},{"title":"Pinch Bolt \/ Purple","offer_id":45477351686335,"sku":"29020507","price":13.86,"currency_code":"USD","in_stock":true},{"title":"Pinch Bolt \/ Candy","offer_id":45477351719103,"sku":"29020509","price":15.18,"currency_code":"USD","in_stock":true},{"title":"Pinch Bolt \/ Indigo","offer_id":45477351751871,"sku":"29020510","price":15.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8037\/3951\/files\/M20-Titanium-Crank-Pre-load-Cap-for-Shimano-Hollowtech-II-_Road-_-MTB_-1.jpg?v=1770446357","url":"https:\/\/www.spartsbolts.com\/products\/m20-titanium-crank-pre-load-cap-for-shimano-hollowtech-ii-road-mtb","provider":"SPARTSBOLTS","version":"1.0","type":"link"}