Affinity Metropolitan

Affinity Metropolitan Track Frameset - Crimson Sky

The Affinity Metropolitan is the ultimate OG track bike, perfect for urban streets or hitting the track. Known for its versatility, this single-speed tarck bike is designed to perform, whether you're tackling city streets, tracklocross, or going fixed-gear. Made from durable chromoly tubing, it features responsive handling, and its sleek design was even featured in the movie Premium Rush.

Special Offer: Buy now and receive a free XL tote bag with your order!

Key Features:

• 4130 Custom Drawn Butted Chromoly Tubing: Lightweight and strong for a smooth, responsive ride.
• Internal Brake Routing: Clean lines and a sleek look with internal routing for caliper brakes.
• 700x33-35c Tire Clearance: Compatible with 33c knobby tires, allowing you to tackle a variety of terrains.
• 1 1/8" Steerer Tube: Modern steerer tube for improved compatibility.

Specs & Build:

• Frame: 4130 Custom Drawn Butted Chromoly Tubing
• Fork: Affinity Metropolitan 4130 CrMo for precise and responsive handling
• Crankset: Track crank, 165mm, 46T chainring for optimal power transfer
• Bottom Bracket: Square taper, 68x107mm, alloy cups, sealed bearings for durability
• Cog: 16T Fixed Cog / 16T ACS Paws Freewheel for both fixed-gear and freewheel riding
• Chain: Izumi 1/8" chain for reliable performance
• Headset: Sealed threadless for smooth, precise steering
• Brakes: SRAM Apex for confident stopping power
• Brake Lever: Tektro XL510 for responsive control
• Stem: AL6061, 3D forged, 4-bolt stem, 31.8mm, ±7° rise for a sturdy ride
• Handlebar: AL6061 riser bar for a comfortable, upright position
• Grips: Brooks grips for superior comfort and control
• Seatpost: 31.6mm Thompson post for easy adjustability
• Saddle: Orgin 8 for long-distance comfort
• Pedals: WTP alloy platform pedals for solid grip
• Hubs: Sealed bearing hubs, 32h, for smooth, low-maintenance rolling
• Rims: 49N 32h with CNC brake track for optimized braking
• Tires: Continental Ultra Sports 28c for a perfect balance of speed, grip, and durability

Available Sizes:

• Fits 27.2mm seat post (clamp fits 29.8mm or 30.0mm)
• Available in 4 sizes

Whether you're running it with slick tires for the city or tackling trackacross, the Affinity Metropolitan is ready for any adventure.