{"product_id":"box-one-oversized-20mm-rear-lockring","title":"Box One Oversized 20mm Rear Lockring","description":"\u003ch1\u003eBox One Oversized 20mm Rear Lockring\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e The Box One Oversized 20mm Rear Lockring is a CNC-machined aluminum lockring designed to secure rear cogs on 20mm ISO-standard rear hubs. At just 8g, it delivers significant weight savings over traditional steel lockrings while maintaining durability. Compatible with standard bottom bracket tools, it installs quickly on Box and other ISO-equipped rear hubs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6061-T6 Aluminum Construction\u003c\/strong\u003e – Lightweight material reduces rotational mass without compromising cog retention strength; resists corrosion better than steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-Machined Precision\u003c\/strong\u003e – Computer-finished notches ensure perfect tool engagement and consistent clamping force; eliminates stripped or cross-threaded installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnodized Finish with Laser-Etched Graphics\u003c\/strong\u003e – Protective anodized coating resists corrosion; laser etching provides clean branding without paint or adhesives that can wear off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePark Tool BBT-9 Compatible\u003c\/strong\u003e – Works with Park Tool BBT-9 and other 44mm, 16-notch bottom bracket tools; multi-tool design ensures compatibility across most mechanic toolkits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Upgrade\u003c\/strong\u003e – Saves approximately 5g versus standard steel lockrings; minimal weight savings but aids overall bike lightening on competitive builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Anodized with laser-etched graphics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Pitch:\u003c\/strong\u003e 1.72 x 24 TPI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 55.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tool:\u003c\/strong\u003e Park Tool BBT-9 (44mm, 16-notch bottom bracket tool)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 8g (0.28 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC-machined\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility and Ideal Use Cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 20mm ISO rear hubs (Box One, Excess ISO Pro, and other ISO-standard rear hubs) with 1.72 x 24 TPI threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Requirement:\u003c\/strong\u003e Park Tool BBT-9 or similar 44mm, 16-notch bottom bracket tool for installation and removal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest For:\u003c\/strong\u003e BMX racers and competitive riders seeking lightweight component upgrades; anyone replacing worn or damaged steel lockrings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal Riders:\u003c\/strong\u003e Race-focused builders optimizing bike weight; riders using Box One complete rear hub setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Recommended For:\u003c\/strong\u003e Non-ISO rear hub standards or alternative thread pitches—verify thread compatibility before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Note\u003c\/strong\u003e Requires Park Tool BBT-9 or equivalent bottom bracket tool for proper installation. Do not over-tighten; hand-tight plus a quarter turn is sufficient to secure the cog.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e43.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6061-T6 Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 grams \/ 0.25 ounces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\n\u003ci\u003e\u003cu\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e**Due to unique nature of this item, ALL sales of this product are FINAL. No Refunds or Returns**\u003c\/b\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e","brand":"BOX COMPONENTS","offers":[{"title":"Black","offer_id":45037987070131,"sku":"BX-HU1LR20-BK","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8737\/2979\/files\/box-one-oversized-20mm-rear-lockring_5039c0d5-1733-4c39-8cfb-7db34c0b4b2a.jpg?v=1783448770","url":"https:\/\/time2shinebmx.com\/products\/box-one-oversized-20mm-rear-lockring","provider":"Time 2 Shine ","version":"1.0","type":"link"}