GOLDIX | GOLDIX R180ULTRA 2027 Ultralight Road Bike Hub 210g 24H 30T Ratchet TPI Bearings HG XDR 10-12 Speed Bicycle Wheel Hub

GOLDIX R180 ULTRA Ultralight Road Bike HubGOLDIX offers a wide range of bicycle hub models and specifications with continuous development in lightweight hub structures and drivetrain engagement systems.If you have any questions about compatibility or specifications, please contact us before ordering.Product SpecificationsBrand: GOLDIXModel: R180 ULTRAApplication: Road Bike OnlyFront Hub Spacing: 100 × 12mmRear Hub Spacing: 142 × 12mmFreehub Options: HG / XDRSpoke Holes: 24HRatchet System: 30TBearings: TPI Sealed BearingsWeight: Please refer to the product weighing imagesBrake Type: Disc BrakeFreehub OptionsROAD HGSuitable for compatible HG-type road cassettes.ROAD XDRSuitable for compatible XDR-type road cassettes.Important: HG and XDR freehub bodies use different cassette interfaces and are not interchangeable. Please confirm your cassette specification before ordering.Ultralight R180 ULTRA DesignThe GOLDIX R180 ULTRA is developed specifically for lightweight road bicycle applications.Its optimized internal structure reduces unnecessary weight while maintaining efficient power transmission and smooth hub operation.Designed for riders who prioritize:Lightweight performanceFast accelerationSmooth rotationEfficient power transferRoad cycling performance30T Ratchet Engagement SystemThe R180 ULTRA features a 30-tooth ratchet engagement system, providing responsive engagement and stable power transmission.The optimized engagement structure helps reduce unnecessary rotational play and provides a more direct pedaling response.DLC Surface TreatmentThe ratchet engagement surfaces feature a DLC (Diamond-Like Carbon) coating.This surface treatment provides excellent characteristics including:High surface hardnessLow coefficient of frictionExcellent wear resistanceReduced friction between engagement surfacesImproved long-term durabilityThe DLC treatment is particularly suitable for high-frequency metal contact surfaces inside lightweight hub drive systems.Optimized Integrated Engagement StructureThe R180 ULTRA adopts an optimized engagement structure designed to simplify the internal transmission path and improve power-transfer efficiency.The more direct engagement layout helps provide:More immediate power responseReduced internal transmission lossSmooth engagementImproved pedaling efficiencyLightweight internal constructionTPI Sealed BearingsEquipped with TPI sealed bearings for smooth rotation and reliable performance.The bearing configuration is designed to provide low rolling resistance while maintaining stable hub operation during road riding.Weight InformationPlease refer to the weighing chart shown in the product images.Weight Notice: Actual product weight may vary slightly due to production batches and measurement conditions. The displayed weight is for reference only.⚠ Important Usage LimitationThis model is designed exclusively for ROAD BIKE use.It is NOT recommended for:Gravel ridingMountain bikingOff-road ridingJumpingDownhill ridingHigh-impact riding conditions⚠ Maximum System Weight: 75KGMaximum combined weight of rider + bicycle: 75KG.If the combined rider and bicycle weight exceeds 75KG, please choose another GOLDIX hub model with a higher load capacity.By placing an order, the buyer acknowledges and accepts this usage limitation.Before Ordering, Please ConfirmPlease carefully check:100 × 12mm front spacing142 × 12mm rear spacing24H spoke specificationHG or XDR freehub typeCassette compatibilityRoad-bike-only application75KG maximum rider + bicycle system weightIncorrect specification selection or use outside the recommended application may result in installation problems or product damage.