ALTA 700C Chrome Steel Fork 1-1/8" Threadless Rigid Caliper Brake –

700C Steel Fork 1-1/8" Threadless (Model 309) – Chrome – Caliper Brake – Alta

• Wheel Size Compatibility:

  • Designed for 700C wheels (ISO 622mm bead seat diameter)

  • Standard size for road bikes, hybrid bikes, fitness bikes, and commuters

• Steerer Tube:

  • Type: Threadless

  • Diameter (ID): 1-1/8 inch (25.4mm ID) – fits modern 1-1/8" threadless headsets

  • Length: 250mm – ample length for most head tubes

  • Compatible with threadless stem systems (usually 28.6mm stem clamp diameter)

  • Crown Race: Accepts 30.0mm crown races (standard for 1-1/8")

• Material:

  • Hi-tensile steel construction – durable and strong for daily commuting or recreational riding

  • Steel offers excellent impact resistance, preferred for city and hybrid use

  • Heavier than alloy but excellent for utility and comfort riding

• Brake Mount Type:

  • Caliper brake only – single hole in fork crown for center-mount side-pull or center-pull brakes

  • No mounts for disc brakes, cantilever, or V-brakes

• Dropouts / Axle Compatibility:

  • Dropout Type: Open-ended

  • Axle Size: 3/8" (9.5mm) – compatible with standard front hubs (quick-release or solid axle)

  • Hub Spacing: 100mm (standard front wheel spacing for 700C)

• Fork Design / Geometry:

  • Rigid, straight-blade fork – provides sharp handling and a clean silhouette

  • Slight rake for comfortable road handling

  • Rounded chrome fork crown with clean brake mount

• Finish / Appearance:

  • High-polish chrome-plated finish – reflective and corrosion-resistant

  • Matches retro, vintage, or custom-themed bike builds

• Weight (Approximate):

  • 2.30lb

Alta

• Well-known for affordable and durable steel bike components

• Commonly used in restoration projects, commuter builds, and custom fixed gear bikes

• Modern or retro-style 700C commuter, hybrid, or road bikes using a 1-1/8" threadless headset

• Replacement for damaged forks on steel or alloy frames with caliper brakes

• Great for custom builds, including fixed-gear, single-speed, or upright city bikes

• Good fit for bikes where suspension is not needed

• Bikes with:

  • Disc brakes, cantilever, or V-brake mounts

  • 1" threaded headsets

  • Suspension forks

  • Wheel sizes like 650B, 27.5", 26", or 29"