Shimano Dura-Ace Track HB-7600 Large Rear Hub, Both-Side Thread

The Shimano Dura-Ace Track HB-7600 Large-Flange Rear Hub is a revered classic in track cycling—a perfect blend of heritage craftsmanship and enduring performance. Designed with a high-flange aluminum body and chrome-plated chromoly axle, it delivers stellar stiffness, strength, and smooth reliability.

This hub supports both single-side fixed-thread and flip-flop (fixed/fixed) configurations, and features high-precision Borozon-treated races with stainless steel bearings for ultra-smooth rotation and longevity.

Shimano Dura-Ace HB-7600 Rear Hub Specs at a Glance

• Drilling Options: 28, 32, or 36 spoke holes (36h NJS certified option available) :contentReference[oaicite:2]{index=2}
• Spacing: 120 mm over locknut spacing, ideal for standard track frames :contentReference[oaicite:3]{index=3}
• Threading Options: Single-side fixed or flip-flop fixed/fixed (includes one lockring) :contentReference[oaicite:4]{index=4}
• Cog Threading: Standard 1.370" × 24 TPI :contentReference[oaicite:5]{index=5}
• Flange Diameter: Approximately 67 mm :contentReference[oaicite:6]{index=6}
• Flange Offset (Center to Flange): ~41 mm (left) / 30 mm (single-fixed right) or ~29 mm (fixed/fixed) :contentReference[oaicite:7]{index=7}
• Weight: Approx. 324 g including axle nuts and lockring :contentReference[oaicite:8]{index=8}
• Construction: High-flange forged aluminum body, chrome-plated steel axle, flanged nuts; Borozon-treated races with stainless steel bearings :contentReference[oaicite:9]{index=9}

Design Benefits

1. Solid High-Flange Strength: Provides exceptional rigidity and power transfer—ideal for sprints and track dynamics; especially valued in track builds. :contentReference[oaicite:10]{index=10}
2. Iconic Track Aesthetics: The classic Dura-Ace branding and polished finish make this hub visually striking in any fixed-gear setup.
3. NJS Certification Option: Available with 36-hole NJS-standard variant for official keirin competition use. :contentReference[oaicite:11]{index=11}
4. Easy Serviceability: Traditional cup-and-cone bearing design makes routine maintenance and rebuilds straightforward for experienced mechanics. :contentReference[oaicite:12]{index=12}

Final Take

The Shimano Dura-Ace Track HB-7600 Rear Hub remains a high-performance legend in the track world—celebrated for its craftsmanship, durability, and responsive ride quality. Whether building a nostalgic velodrome wheel or a stylish urban fixed-gear, this hub remains a sought-after classic.