{"title":"12 Speed Cassettes \u0026 Freewheels","description":null,"products":[{"product_id":"sram-cassette-12sp-10-50-gx-eagle","title":"SRAM Cassette 12sp 10-50 Gx-Eagle","description":"","brand":"SRAM","offers":[{"title":"Default Title","offer_id":34484407402651,"sku":"9M68JLKW","price":436.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/products\/SRAM-Cassette-12sp-10-50-Gx-Eagle.jpg?v=1755079471"},{"product_id":"sram-cassette-12sp-10-50-xg-1229-rainbow","title":"Sram XG-1299 Cassette Eagle 10-50T 12 Speed Rainbow","description":"\u003cp\u003eThe SRAM XG-1299 Cassette Eagle 10-50T 12 Speed Rainbow is engineered for mountain biking enthusiasts seeking unparalleled performance and durability. With its innovative X-DOME™ architecture, this cassette offers a remarkable 500% gear range while maintaining a lightweight profile, making it a superior alternative to traditional 2x systems. Designed for use with the XD™ driver body, it features advanced shifting technology that ensures smooth and quiet gear transitions, enhancing both inboard and outboard performance. The XG-1299 is not only built for strength but also optimized for compatibility with the Eagle™ chain, making it a perfect choice for riders who demand freedom and reliability on the trails.\u003c\/p\u003e","brand":"SRAM","offers":[{"title":"Default Title","offer_id":34484407566491,"sku":"7AGACQJ3","price":966.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/files\/Sram-XG-1299-Cassette-Eagle-10-50T-12-Speed-Rainbow.jpeg?v=1755079473"},{"product_id":"sram-cassette-12sp-11-50-pg1230","title":"SRAM PG-1230 Cassette 12-speed 11-50T","description":"Ride anywhere with the SRAM PG-1230 Eagle cassette!\u003cbr\u003eThat NX cassette is an integral part of the SRAM Eagle drivetrain ecosystem and gives riders every bit of the climbing range that the Eagle ecosystem affords. Super wide 11-50T gear range has optimized gear steps and provides a perfect fit for any ride.\u003cbr\u003eThe cassette is compatible with splined-drive body wheels and all levels of Eagle™ drivetrain systems.\u003cbr\u003eRecommended chain: Eagle™ chain only\u003cbr\u003eSprocket combination: 11-13-15-17-19-22-25-28-32-36-42-50T\u003cbr\u003eWeight: 615g","brand":"SRAM","offers":[{"title":"Default Title","offer_id":34484407697563,"sku":"OLLDOXXY","price":255.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/products\/SRAM-PG-1230-Cassette-12-speed-11-50T.jpg?v=1755079476"},{"product_id":"shimano-cassette-12sp-10-51t-xt-m8100","title":"Shimano CS-M8100 Cassette MTB Deore XT 12-speed 10-51T","description":"\u003cp\u003eWith its BEAM SPIDER construction, the new Shimano Deore XT M8100 12-speed cassette shaves weight while increasing Shimano's MTB gearing range with another gear. Using Shimano's new MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile, this 10-51T cassette delivers advanced shifting performance.\u003cbr\u003e\u003cbr\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDefinitive shifting performance\u003c\/li\u003e\n\u003cli\u003eNew shift ramp designs provide the fastest, smoothest shifts\u003c\/li\u003e\n\u003cli\u003eLighter and stiffer construction\u003c\/li\u003e\n\u003cli\u003eReduces cassette inertia resulting in faster acceleration and increased chain security\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTechnologies: MICRO SPLINE, HYPERGLIDE+\u003cbr\u003eMaterials: aluminium spider, 2x aluminium and 10x steel sprockets\u003cbr\u003eSprocket combination: 10-12-14-16-18-21-24-28-33-39-45-51T\u003cbr\u003eAverage weight: 470g\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":34484897415323,"sku":"BHSKK7OE","price":314.98,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/products\/Shimano-CS-M8100-Cassette-MTB-Deore-XT-12-speed-10-51T.jpg?v=1755080377"},{"product_id":"shimano-cassette-12s-slx-10-51t-m7100","title":"Shimano SLX CS-M7100 10-51T 12 Speed Cassette","description":"Shimano deliver once again with the SLX M7100 group, providing consistent, predictable and powerful performance across the board, all at an attractive price. Not only is it affordable and reliable, but the SLX M7100 range is suitable for all MTB styles, whether you’re a trail junkie, XC nut, or All Mountain boss. The group offers a broad spectrum of drivetrain range options, and supports the latest trail and recreational bikes with bigger tyres, wider hub flange spacing, or both. The new and improved Shimano SLX M7100 has been redesigned from the ground up, and is built to perform in any situation. Cassettes come with the MICRO SPLINE fitting system, and are available in 10-45(513g) or 10-51(534g). Both cassettes feature HYPERGLIDE+, allowing for quick up and down shifts and extremely quiet drive train. An aluminium spider houses 11 steel sprockets and 1 aluminium sprocket to optimise durability and weight.","brand":"Shimano","offers":[{"title":"Default Title","offer_id":34664184873115,"sku":"JMYP8036","price":215.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/products\/Shimano-SLX-CS-M7100-10-51T-12-Speed-Cassette.jpg?v=1755084906"},{"product_id":"shimano-deore-m6100-12-speed-cassette","title":"Shimano Deore CS-M6100 10-51T 12-Speed Cassette Silver","description":"Trickle down technologies at its best, the Shimano Deore M6100 Hyperglide+ MTB Cassette, features a 10-51T wide range 12-speed gear combination. With its Beam Spider construction, the new Shimano Deore M6100 cassette shaves weight while increasing Shimano’s gearing range by another gear. Using Shimano’s new Micro Spline freehub body and hyperglide+ tooth profile, the 10-51T cassette delivers advanced shifting performance.\u003cbr\u003e\u003cbr\u003eFEATURES:\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eHYPERGLIDE+ provides fast and smooth shifting\u003c\/li\u003e\n\u003cli\u003eBEAM SPIDER construction cuts weights and boosts stiffness\u003c\/li\u003e\n\u003cli\u003e10-51T wide range 12-speed gear combination\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":36065226752155,"sku":"PENVUU0P","price":195.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/products\/Shimano-Deore-CS-M6100-10-51T-12-Speed-Cassette-Silver.jpg?v=1755089612"},{"product_id":"sram-am-cs-xg-1275-eagle-10-52t-blk","title":"SRAM Cassette XG-1275 Eagle 10-52T Black","description":"The new 10-52 Eagle cassette for riders who prioritize all day function over anything else. With an expanded, 520-percent gear range giving riders more ability to spin and recover on the burliest climbs. Featuring FULL PIN™ technology that uses lightweight, precision engineered steel cogs permanently connected with high-strength stainless steel pins. An open design similar to SRAM X-DOME™ cassette that aids in mud clearance, giving riders crisp shifting performance and longer component life. 12 Speed, Cog sizes: 10-52t: 10,12,14,16,18,21,24,28,32,36,42,52.","brand":"SRAM","offers":[{"title":"Default Title","offer_id":36604354592923,"sku":"YATEAWBG","price":489.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/products\/SRAM-Cassette-XG-1275-Eagle-10-52T-Black.jpg?v=1755091195"},{"product_id":"shimano-cs-r8100-cassette-11-30-ultegra-12-speed","title":"Shimano CS-R8100 ULTEGRA 11-30T 12-Speed Cassette","description":"\u003cp data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003eULTEGRA 8100: Join the Pursuit of Next Level Speed\u003c\/strong\u003e\u003c\/p\u003e\u003cp data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003eShimano’s new ULTEGRA line-up dives into what is ready behind the science of speed with real-world applications. Following in the footsteps of the DURA-ACE design philosophy, and using many of the same product designs, including the new addition of the 12-speed rear, ULTEGRA is joining the pursuit of next-level speed.\u003c\/p\u003e\u003cp data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003eDURA-ACE shared DNA\u003c\/strong\u003e\u003c\/p\u003e\u003cp data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003eThe new R8100 series is designed for those seeking their next competitive advantage. Sharing the same DNA offers the same incredible performance of the R9200 series across all functions, empowering th\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":42807961157871,"sku":"1VM4IY43","price":175.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/products\/Shimano-CS-R8100-ULTEGRA-11-30T-12-Speed-Cassette.jpg?v=1755106713"},{"product_id":"shimano-cs-r8100-cassette-11-34-ultegra-12-speed","title":"Shimano Ultegra R8100 12-Speed 11-34T Cassette","description":"\u003cp data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003eButtery Smooth\u003c\/strong\u003e\u003c\/p\u003e\u003cp data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003eShimano has brought their off-road Hyperglide+ cassettes to the world of road riding, and with it comes the next level in smooth, fast shifting. No longer worry about backing off on the pedals to get a shift in, even during a climb or times of maximal acceleration. Its stronger chain engagement and rapid shifting time mean that you can stop worrying about dropping the chain during a shift and keep concentrating on what’s important in the ride. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e12-speed Hyperglide+ Cassette\u003c\/li\u003e\n\u003cli\u003eUltegra R8100 Series\u003c\/li\u003e\n\u003cli\u003eTeeth Combination: 11-12-13-14-15-17-19-21-24-27-30-34\u003c\/li\u003e\n\u003cli\u003eWeight: 345g\u003c\/li\u003e\n\u003cli\u003eSteel gears\u003c\/li\u003e\n\u003cli\u003eAluminium spider arms\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":42807961190639,"sku":"JN9I5V1E","price":161.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/products\/Shimano-Ultegra-R8100-12-Speed-11-34T-Cassette.jpg?v=1755106714"},{"product_id":"shimano-105-cs-r7100-11-34t-12-speed-road-cassette","title":"Shimano 105 CS-R7100 11-34T 12-Speed Road Cassette","description":"\u003cp\u003eThis Shimano 105 Di2 R7100 11-34T 12 Speed Cassette is tuned to maintain your rhythm with a consistent cadence and is made for Di2. Ride anywhere with smooth and precise gear changes as this 12-speed cassette offers improved driving efficiency and stable shifting. Shave bike weight off without sacrificing durability or reliability.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: CSR7100\u003c\/li\u003e\n\u003cli\u003eSeries: 105 Di2\u003c\/li\u003e\n\u003cli\u003eSpeeds: 12\u003c\/li\u003e\n\u003cli\u003eTeeth: 11-34\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":44069964251375,"sku":"1RWWYMCO","price":109.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/files\/Shimano-105-CS-R7100-11-34T-12-Speed-Road-Cassette.jpg?v=1755145507"},{"product_id":"shimano-cs-r9200-cassette-11-34-dura-ace-12-speed","title":"Shimano Dura-Ace R9200 12-Speed Cassette 11-30T","description":"\u003cp\u003eThe uninterrupted shifting experience of the Shimano Dura-Ace R9200 12-Speed Cassette lets you climb, sprint, and push your limits without slowing to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 \u0026amp; 12-speed freehub bodies. \u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eHYPERGLIDE+ cassettes have revolutionized off-road shifting with their seamless shifts both up and down the gear range. Now it's time for the technology to change road cycling. Even during maximal efforts up a climb or nearing the finish line, riders no longer need to back off to perform a shift. In any gear, DURA-ACE R9250 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing 11-speed freehub bodies. All this while increasing to 12 gears and without increasing weight, DURA-ACE CS-R9200 cassettes are the new paradigm in road shifting.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFaster, seamless shifts under maximum pedaling load\u003c\/li\u003e\n\u003cli\u003eRefined 12-step gear combination provides peak efficiency and accelerating performance for every situation\u003c\/li\u003e\n\u003cli\u003eAdd wider 34T spec for pro-race usage\u003c\/li\u003e\n\u003cli\u003eCompatible with new 12-speed and road 11-speed FREEHUB body\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel Number: CS-R9200-12\u003c\/li\u003e\n\u003cli\u003eSeries: DURA-ACE R9200 Series\u003c\/li\u003e\n\u003cli\u003eAverage weight: 253g\u003c\/li\u003e\n\u003cli\u003eType: HYPERGLIDE+\u003c\/li\u003e\n\u003cli\u003eRear speeds: 12\u003c\/li\u003e\n\u003cli\u003eCompatible chain: HG 12-speed\u003c\/li\u003e\n\u003cli\u003eGearing: 11-12-13-14-15-17-19*-21*-24*-27*-30*-34*T\u003c\/li\u003e\n\u003cli\u003eSpline type: HG spline L2 (ROAD 12-speed dedicated)\u003c\/li\u003e\n\u003cli\u003eAluminum spider arms 2\u003c\/li\u003e\n\u003cli\u003eTitanium gears: 6\u003c\/li\u003e\n\u003cli\u003eSteel gears: 6 (11-34T)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":44073767731439,"sku":"1UOZ3J4V","price":550.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/files\/Shimano-Dura-Ace-R9200-12-Speed-Cassette-11-30T_ee59781f.jpg?v=1755145915"},{"product_id":"race-face-cassette-body-vault-micro-spline-shimano-12sp-60t","title":"Race Face Cassette Body Vault Micro Spline Shimano 12 Speed 60T","description":"\u003cp\u003eThe Race Face Cassette Body Vault Micro Spline Shimano 12 Speed 60T is engineered for high-performance cycling, offering a seamless fit with Shimano's 12-speed systems. With its 60-tooth engagement, this cassette body ensures rapid power transfer, enhancing your riding experience. The included endcap simplifies installation, making it user-friendly for both enthusiasts and professionals. Crafted for durability, it is compatible with various Race Face cassette bodies, ensuring reliability on every ride. Upgrade your bike's drivetrain with this essential component for optimal performance.\u003c\/p\u003e","brand":"Race Face","offers":[{"title":"Default Title","offer_id":44377149079791,"sku":"R5MFLYYB","price":223.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/files\/Race_Face_Cassette_Body_Vault_Micro_Spline_Shimano_12_Speed_60T.jpeg?v=1734065746"},{"product_id":"shimano-cs-r8101-cassette-11-34","title":"Shimano CS-R8101 Cassette 11-34 ULTEGRA 12-Speed","description":"\u003cp\u003eThe uninterrupted shifting experience of the ULTEGRA R8100 12-speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-speed FREEHUB bodies.\u003c\/p\u003e\n\u003cp\u003eHYPERGLIDE+ cassettes revolutionized off-road shifting with its seamless shifts both up and down the gear range. Now it's time for the technology to change road cycling. Even during maximal efforts up a climb or racing a friend, riders no longer need to back off to perform a shift. In any gear, Shimano ULTEGRA R8150 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing HYPERGLIDE FREEHUB bodies. All this while increasing to 12-gears, ULTEGRA CS-R8100 cassettes are the new paradigm in road shifting.\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":44624918708463,"sku":"Q3PYU05C","price":185.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/files\/Shimano-CS-R8101-Cassette-11-34-ULTEGRA-12-Speed.jpg?v=1755151129"},{"product_id":"cs-r7100-cassette-11-34","title":"Shimano 105 CS-R7100 12 Speed Cassette 11-34T","description":"\u003cp\u003eUpgrade your bike's performance with the Shimano 105 CS-R7100 12 Speed Cassette 11-34T. This high-quality cassette offers smooth and precise shifting with its 12-speed design and wide gear range from 11-34T. Made with lightweight and durable materials, this cassette is built to last and is compatible with Shimano 105 groupsets. Easy to install and maintain, this cassette is a great choice for cyclists looking to improve their ride experience.\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":45779520717039,"sku":"G7R6HXZO","price":109.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0318\/7556\/3651\/files\/Shimano-105-CS-R7100-12-Speed-Cassette-11-34T.jpeg?v=1755154953"}],"url":"https:\/\/www.99bikes.co.nz\/collections\/12-speed-cassettes-freewheels.oembed","provider":"99bikes.co.nz","version":"1.0","type":"link"}