Excess Lite Tube — Presta Valve 40mm

Overview

The Excess Lite Tube is a lightweight inner tube designed for BMX racing, featuring a Presta valve (small valve) with 40mm length. The "Lite" version prioritizes weight savings for competitive race day use. Available in multiple 20" and 24" sizes to match common BMX race tire dimensions.

Key Features

• Presta valve (small valve) — Thinner valve design requires Presta-compatible rim valve holes; standard on modern BMX racing rims

• 40mm valve length — Standard length suitable for most BMX rim thicknesses; clears low to medium-profile rims

• Lite construction — Lightweight rubber compound formulated to reduce unsprung and rotational weight for race-day performance

• BMX racing specific — Designed for the demands of competitive BMX racing

• Multiple size availability — Options for 20" and 24" tire widths common in BMX and cruiser classes

Technical Specifications

• Material: Rubber

• Valve type: Presta

• Valve length: 40mm

• Available sizes and weights:

  • 20 x 1-1/8" — 63g / 2.20 oz

  • 20 x 1-3/8" — 96g / 3.46 oz

  • 20 x 1.5-1.75" — 108g / 3.80 oz

  • 24 x 1.5"-1.75" — 125g / 4.44 oz

Compatibility & Ideal Use Cases

• Rim compatibility: Presta valve drillings (standard 6.5mm hole)

• Tire compatibility: Narrow race tires (20 x 1-1/8"), mid-width race tires (20 x 1-3/8"), standard BMX race tires (20 x 1.5-1.75"), and cruiser class tires (24 x 1.5-1.75")

• Valve length suitability: 40mm works with low to medium-profile rims; measure rim depth before purchasing

• Best for: BMX racers seeking weight savings; competitive race day use; spare tube kits for multiple bike sizes

• Ideal use: Race day tube replacement where every gram matters; practice and training wheels; backup tubes for race bags

• Not suitable for: Schraeder valve rims (without adapter); deep aero rims requiring longer valve (50mm+); casual/street riding where puncture resistance is prioritized over weight