GOLDIX | GOLDIX R180 Road Bike Hub Centerlock Disc Brake Carbon Spoke Hub 60T Ratchet System 20/24 Holes Thru Axle Compatible with Sh

GOLDIX is developed by China’s leading professional bicycle hub manufacturer. We supply a full lineup of hub models and complete specifications, supported by strong independent R&D and technical capabilities.Welcome to browse our full range and place your order. We also provide custom non-standard design OEM/ODM services to meet personalized demands.Please feel free to contact us anytime for any inquiries or technical support.Brand & SpecificationsBrand: GOLDIXModel: Road Bike R180 SeriesFreehub Body: HG / XDRFront Hub Spacing: 100×9mm / 100×12mmRear Hub Spacing: 135×10mm / 142×12mmBrake Standard: Center-Lock Disc BrakeSpoke Fitment: Carbon-specific compatible; available in 20H / 24HBearing Brand: TPI, dual contact & non-contact sealed structureFront Hub Bearings:Hub Shell: 6803 × 2 (100×12mm version)Rear Hub Bearings:Hub Shell: 15267 × 1, 6902 × 1Freehub Body: 6802 × 2Max Single Spoke Tension: 2500 NWater & Dust Resistance: IP42–IP53Ratchet Structure: New Spiral Engagement 60T Ratchet SystemWeight: Refer to product images. A tolerance of ±10g may exist across production batches. Placing an order confirms acceptance of this slight weight deviation.Freehub Compatibility GuideImportant: Please confirm your drivetrain system and match the correct freehub body before purchase. Wrong specification will cause installation failure.HG: Fits Shimano 10–12 speed groupsetsXDR: Fits SRAM 10–12 speed groupsetsProduct Highlights & PerformanceThe upgraded GOLDIX R180 Series delivers comprehensive optimizations on hub shell structure, premium sealed bearings, spiral ratchet engagement, contact area and surface finishing coating.These upgrades greatly improve overall reliability, durability and riding experience while keeping the original weight level. Compared with conventional same-tooth ratchet designs, the engagement contact area is increased by around 20%. It strengthens gear load capacity and ensures more stable, efficient power transmission.The enlarged engagement area also provides better ratchet redundancy and smoother running stability. The optimized guiding structure allows pawls to engage more accurately and seamlessly, bringing faster pick-up, reduced play, and ultra-direct power delivery for road riding