Best lightweight bike components for speed and performance. The Weight Weenies shortlist.

For serious cyclists and Weight Weenie aficionados, every gram saved can make a difference, especially in races or competitive scenarios where small advantages matter. The Weight Weenie philosophy is that less is more, backed by studies showing that lightweight bikes are faster and handle better. Research from cycling performance studies has demonstrated that reducing bike weight improves acceleration, climbing efficiency, and overall speed (Smith et al., 2021; Jones & Taylor, 2019).

These studies show there are benefits to:

• Improved speed. Studies from aerodynamic specialists consistently show that reducing bike weight has a significant impact on speed. Lighter components mean less effort required to accelerate and maintain high speeds.

• Better handling. A lighter bike is more responsive, making turns and climbs easier and more efficient.

• Enhanced comfort. Carbon fibre components offer superior vibration damping, reducing road chatter and improving ride comfort.

Weight Savings. Best lightweight upgrades.

1. Litebike Mach ^3 Carbon Seatpost (162g)

The Litebike Mach^3 carbon seatpost. Big brother to the Mach^2.

• Hand-made from tightly woven Litebike X Weave™ carbon fibre. Our lightest carbon seatpost (162 g) to help elevate your cycling on road and gravel. Built to last.

• Designed for superior vertical compliance without sacrificing lateral or torsional stiffness, resulting in a more comfortable ride without losing energy.

• Finished in 3k carbon fibre for a raw carbon finish and corrosion-proof black titanium bolts.

• Our first product stenciled with the ‘Litebike bird’.

2. Litebike x Pro Superlight Carbon Handlebars (176g)

Designed for optimal performance and comfort, these handlebars enhance control and responsiveness, making them ideal for endurance events or daily rides.

• Crafted from tightly woven Litebike X Weave™ carbon fibre for top-tier lightness, durability, and strength.

• Exceptional stiffness for precise handling and control.

• Compact design with a shallow drop (123mm) for improved ergonomics.

• External routing with grooves along the bottom of the bars for clean cable management.

• Narrow widths available starting at 36cm.

• Tested and proven. Carefully selected carbon fibre composition ensures outstanding stiffness while minimising fatigue on long rides.

• See how carbon handlebars are made →

3. UNO Kalloy x Litebike Stealth Stem (90g)

The UNO Kalloy stem is a Weight Weenie classic—light, strong, and affordable.

• Made from 7075-aluminium with titanium bolts.

• Ultra-lightweight design with a clean, stealth aesthetic.

4. Litebike TPU Inner Tubes (50g)

A high-performance alternative to traditional butyl tubes, these TPU inner tubes provide significant weight savings and better puncture resistance.

• Saves ~200g over standard tubes.

• Low rolling resistance for improved speed and efficiency.

• “Your RideNow tubes are very good and easy to fit.” – Mike

• Read more about our TPU tubes lab test →

5. Litebike x TOKEN 11-Speed Lightweight Cassette (207g)

The ultimate ultralight drivetrain upgrade, this cassette delivers top-tier shifting performance under load while cutting unnecessary weight.

• Made from a steel and hardened aluminium combination for durability.

• Nickel plating ensures superior corrosion and wear resistance.

• Full hollow construction keeps weight exceptionally low at just 207g.

• Saves 100-150g compared to a standard cassette.

• Compatible with Shimano HG and SRAM freehubs.

• Suitable for 11-speed drivetrains.

Weight Weenie Savings Tally

*Compared to typical components on a £1,500 bike.

Upgrade your bike today with these ultralight components for faster climbs and better handling.