GOLDIX R310 Center Lock 24-Hole New Ratchet Road Bike Hub for SHIMANO and SRAM 11/12 Speed ​​Bike Components.

GOLDIX originates from China's largest bicycle hub manufacturer. We offer a full range of models and specifications, backed by strong technical capabilities. Welcome to purchase our products. We also provide custom design services for non-standard designs.For any questions, please contact us!Brand: GOLDIXModel: 2026 310 Series (Road Bike, Disc Brake Dedicated)Freehub: HG/XDR/MSFront Hub Split: 100X9 100X12 24HRear Hub Split: 135X10 142X12 24HBrake Type: Center Lock Disc BrakeSpokes: Straight-pull steel spokes, front 24H, rear 24HFront Hub Bearing: 6902X2Rear Hub Bearing: Housing 6902X2, Freehub Base 6802X2Maximum Pull Force per Hole: 2500NWater and Dust Resistance Rating: IP42-IP53Ratchet: Brand New Helical Engagement 36TWeight: Please refer to product images (There may be a ±10 gram error between different batches; placing an order indicates acceptance of this clause)Cassette Type: (Friendly reminder: Please confirm your drivetrain and cassette model before purchasing! Otherwise, it cannot be installed)HG: Suitable for Shimano 8-11 speed, SRAM 8-11 speed, 12 speedXDR: For SRAM 11-12 speedMS: For Shimano 12 speedFeatures: The new GOLDIX 310 series features a comprehensive upgrade and optimization of the ratchet engagement structure, engagement area, and coating process. It aims to significantly improve reliability, durability, and user experience. While maintaining the same weight,the ratchet engagement area for the same number of teeth has increased by approximately 20%, significantly improving the load-bearing capacity of the planetary gears and making power transmission more stable and reliable. Furthermore, the larger engagement area provides greater redundancy for the ratchet's engagement state,significantly improving operational stability. This guiding design allows the pawl to engage with the gears more smoothly and precisely, resulting in a faster engagement process, significantly reduced idle travel, and more direct power response.