GOLDIX | GOLDIX R180ULTRA 218g Ultralight Road Bike Hub 21/24H 2:1 Lacing 30T Ratchet TPI Bearings Center Lock HG XDR 10-12 Speed

GOLDIX R180 ULTRA Ultralight Road Bike Hub21H / 24H · 2:1 Lacing · 30T Aluminum Ratchet · TPI BearingsThe GOLDIX R180 ULTRA is a road hub specially developed for lightweight bicycle builds.Its structure, bearings, spoke layout and ratchet system are optimized specifically for low weight and road riding efficiency.Key SpecificationsBrand: GOLDIXModel: R180 ULTRAApplication: Road Bike OnlyFront: 100 × 12mm, 21HRear: 142 × 12mm, 24HSpoke Layout: 2:1Brake Type: Center LockFreehub: HG / XDRBearings: TPIRatchet: 30T Aluminum RatchetMaximum System Weight: 80kgImportant Lightweight Design NoticeThis hub is developed specifically for ultralight road bike use.Maximum combined weight of rider + bicycle: 80kg.If the total weight exceeds 80kg, please choose another GOLDIX hub model with a higher load capacity.Exceeding the recommended weight limit may cause permanent product damage.Dedicated Aluminum RatchetThe R180 ULTRA uses a special lightweight aluminum ratchet developed specifically for this model.This ratchet is NOT compatible with other GOLDIX hub models.Please do not replace it with ratchets from other series.Weight NoticePlease refer to the actual weighing images on the product page.Due to production batch differences and manual measurement, the actual product weight may vary by approximately ±10g. By placing an order, you acknowledge and accept this normal weight tolerance.Important ReminderBefore ordering, please confirm:Road bike use only100 × 12mm front spacing142 × 12mm rear spacing21H front / 24H rearHG or XDR freehubMaximum rider + bicycle weight of 80kgDedicated R180 ULTRA aluminum ratchetBy placing an order, the buyer acknowledges and accepts the above product specifications and usage limitations.