In 2012, SRAM 'turned it up to eleven' and the MTB world changed, now they have gone a step further with the brand new Eagle XG-1299 12 Speed Cassette Gold. Offering a greater range of gears at the back for serious hill climbing a a bigger choice at the front for trail riders and racers alike, SRAM Eagle takes shifting to another level once again. The new XX1 Eagle Cassette is both lighter, more durable and stronger than anything that has come before. With a massive 10-50 tooth range and 500% gearing ratio, nothing matches the performance of the Eagle Cassette. Pick up a new Eagle XG-1299 12 Speed Cassette Goldas part of your upgrade to Eagle. Moving to twelve speed means a change of shifter, chain, cassette and crankset. Luckily, Biketart has the full range of X01 and XX1 Eagle, right here. This first look from Bike Radar helps you to compare the advantages of 12 speed over 11 speed. Features: Greatest durability and lightest weight on market Smoother, quieter system with enhanced inboard and outboard shift performance XD driver body compatible 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 50 High-performance 12-speed SRAM XX1 Eagle AXS XG-1299 Cassette with a versatile 10-50t range, optimized for both competitive and recreational mountain biking Constructed with advanced X-Dome architecture, this cassette delivers exceptional durability and lightweight performance through innovative aluminum and steel cogs, perfect for demanding trail and E-MTB applications Enhanced with Titanium Nitride coating, the XX1 Eagle XG-1299 reduces friction and wear, ensuring smooth shifting, increased efficiency, and longevity in extreme riding conditions Rainbow colorway adds a stylish, eye-catching aesthetic that complements SRAM XX1 Eagle AXS drivetrain components, making it ideal for riders seeking both performance and custom style Designed for use with XD driver bodies, this cassette features a robust, proven XD driver compatibility and weighs approximately 357 grams, offering a perfect balance of weight savings and durability for aggressive and E-MTB riders Size Standard Color Rainbow Style Cassettes Material Alloy Steel Brand Name SRAM Model Name Xg-1299 Eagle Rb Model Year 2020 Sport Type Football Item Weight 0.2 Kilograms Part Number SRAM-FW1013 Manufacturer Sram Package Weight 0.7 Kilograms Number of Items 1 Suggested Users Unisex – Adults Included Components 1 cassette Warranty Description Limited Warranty Item Dimensions LxWxH 14 x 10 x 3 inches Item Package Dimensions L x W x H 12.4 x 9.53 x 2.83 inches