BMX chainring 40 teeth 110 mm

40-tooth BMX chainring – 5-bolt 110 mm BCD

Upgrade your BMX drivetrain with this 40-tooth chainring, engineered for riders seeking smooth, precise, and responsive pedaling. Compatible with 5-bolt 110 mm BCD cranksets, this chainring combines performance, lightness, and durability — perfect for race, dirt, or freestyle use.

Technical specifications:

• Number of teeth: 40

• Bolt circle diameter (BCD): 110 mm – 5 bolts

• Material: CNC-machined high-strength aluminum

• Thickness: 4 mm for maximum stiffness

• Chain compatibility: Single-speed chains (1/8” or 3/32”)

• Weight: approx. 90 g

• Finish: Anodized surface for wear and corrosion resistance

• Mounting: Fits most BMX and MTB cranksets with a 110 mm BCD

Key features:

• Smooth and responsive transmission: The 40-tooth design provides the ideal balance between acceleration and top speed.

• Precision machining: Ensures perfect chain alignment and friction-free pedaling.

• Built to last: Designed to handle the stress of BMX racing, pump track sessions, or street riding.

• Clean, aggressive look: Lightweight cutouts and anodized finish give your setup a pro touch.

Why choose a 40-tooth chainring for your BMX ?

The 40-tooth chainring is the go-to choice for riders who want to optimize their drivetrain ratio. Paired with the right rear cog, it delivers quick sprints and a steady cruising speed. Whether you’re on the start gate or attacking a jump line, this chainring ensures maximum pedaling efficiency and consistent power transfer.

In summary:

The 40-tooth BMX chainring (5-bolt, 110 mm BCD) is the perfect upgrade to boost your BMX drivetrain performance while enhancing your bike’s style. Lightweight, strong, and reliable — it’s built for riders who push their limits.