Fixed Gear Build Checklist

Fixed Gear Build Checklist

Interactive Parts, Compatibility & Budget Tracker

Essential Components

Frame

Size: _____ Material: _____

State, Aventon, Cinelli, Wabi, BLB, 6KU

Fork

1″ or 1 1/8″ threadless? _____

Wheelset

Rim: _____ Hub spacing: 120mm/130mm

H+Son, Phil Wood, Formula, Miche, All-City

Crankset

Length: 165mm/170mm/175mm BCD: _____

SRAM Omnium, Sugino 75, Miche Pistard, Andel

Chainring

Teeth: _____ (46T, 48T, 49T common)

Cog

Teeth: _____ (15T, 16T, 17T common)

Phil Wood, EAI, Dura-Ace, All-City

Chain

1/8″ or 3/32″ width? _____

Izumi Super Toughness, KMC, Connex

Handlebars

Width: _____ Style: Riser/Drop/Bullhorn

Stem

Length: _____ Angle: _____

Saddle & Seatpost

Seatpost diameter: _____

Pedals & Retention

Straps, Cages, or Clipless?

Brake (Front)

Caliper or V-brake? _____

Bottom Bracket

Match to crankset & frame shell

Headset

Match fork to frame _____

Gear Calculator

GEAR RATIO CALCULATOR

÷ =

0

Chainring ÷ Cog = Ratio

Chain Line: 42mm standard for track frames. Must be straight from chainring to cog.

Bottom Bracket: 68mm English most common. Match BB to crankset spindle type.

Chain Width: Match to your widest component. 1/8″ chain works on everything but is noisier on 3/32″ parts. 3/32″ chain ONLY fits 3/32″ parts.

Rear Spacing: 120mm for track frames, 130mm for conversions.

Crank Length: 170mm standard. Shorter (165mm) for tighter clearance.

Headset Type: Match fork steerer (1″ vs 1 1/8″) to frame head tube.

⚡ PRO TIPS

• Start with 2.7-3.0 gear ratio if you’re new (e.g., 48/16 or 46/17)

• Always run at least a front brake

• 1/8″ chain is more durable than 3/32″

• Check chain line with a ruler before final tightening

• More skid patches = longer tire life

Frequently asked questions (FAQ)

Fixed Gear Focus Gear is your source for fixie, single-speed, & track bike content. Here are some answers to the most frequently asked questions to regarding fixed-gear cycling.

A fixed gear bike (or "fixie") is a bicycle where the rear cog is directly connected to the rear wheel with no freewheel mechanism. This means the pedals always move when the wheels are moving—you can't coast. When you pedal forward, you go forward. When you pedal backward, you go backward. This direct connection gives you complete control over your speed and creates a unique riding experience that many cyclists find more connected and engaging than traditional bikes.

Riders love fixed gear bikes for their simplicity, low maintenance, and pure riding feel. With fewer components (no derailleurs, shifters, or complex drivetrain), there's less to break and maintain. Many find the constant pedaling motion improves their pedal stroke efficiency and builds leg strength. Fixed gear bikes are also incredibly affordable, making them perfect for urban commuting, bike messengers, and anyone who wants a reliable daily rider. Plus, the minimalist aesthetic and customization options appeal to cycling enthusiasts who want a bike that reflects their personal style.

There's definitely a learning curve, but most people adapt within a few rides. The biggest adjustment is not being able to coast—your legs must keep moving. Start in an empty parking lot to get used to the constant pedaling and learn to slow down by resisting the pedals. Many beginners find that riding with at least a front brake helps build confidence while learning. After a week or two, the fixed gear motion becomes second nature and feels completely natural.

Legally and practically: yes, you should have at least a front brake. While experienced riders can slow down by resisting the pedals (called "skidding"), this technique isn't reliable for emergency stops and wears through tires quickly. Most jurisdictions require at least one brake on bicycles ridden on public roads. A front brake gives you much better stopping power and makes fixed gear riding safer and more practical, especially in traffic or when riding in wet conditions.

Both bikes have one gear, but that's where similarities end. A single speed bike has a freewheel, meaning you can coast when you stop pedaling—just like a regular bike but without gear shifting. A fixed gear bike locks the cog to the wheel, so the pedals must always move when the bike is moving. Many fixed gear bikes come with flip-flop hubs that let you switch between fixed and freewheel modes by flipping the rear wheel around, giving you the best of both worlds.

Absolutely! Fixed gear bikes are actually excellent for beginners because of their simplicity. With no gears to shift or complicated components to maintain, new riders can focus on basic cycling skills. The constant pedaling motion naturally teaches smooth pedal technique and bike handling. Start with a flip-flop hub so you can practice on the freewheel side first, then switch to fixed when you're ready. Many cycling coaches recommend fixed gear bikes for winter training because they develop efficient pedaling habits that carry over to all types of riding.

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