Excess Tube — Schrader Valve 40mm

Overview

The Excess Tube is a standard-weight inner tube designed for BMX racing, featuring a Schrader valve (big valve) with 40mm length. The Schrader valve is the same type found on car tires and standard bicycle pumps, offering broad compatibility with most pumps and gas station inflators. Available in multiple sizes ranging from 12.5" mini BMX to 24" cruiser wheels.

Key Features

• Schrader valve (big valve) — Wider valve design compatible with most standard pumps, gas station inflators, and automotive compressors; no adapter needed

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

• Standard rubber construction — Durable compound balances weight and puncture resistance for racing and training

• Broad size availability — Options for mini BMX (12.5"), standard 20", and 24" cruiser class wheels

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

Technical Specifications

• Material: Rubber

• Valve type: Schrader

• Valve length: 40mm

• Available sizes and weights:

  • 12.5 x 1.75-2.25" — 97g / 3.45 oz

  • 20 x 1-3/8" — 125g / 4.44 oz

  • 20 x 1.5-1.75" — 144g / 5.08 oz

  • 20 x 1.95-2.125" — 149g / 5.24 oz

  • 24 x 1.5-1.75" — 162g / 5.72 oz

Compatibility & Ideal Use Cases

• Rim compatibility: Schrader valve drillings (standard 8.5mm hole) — cannot be used with Presta-only rims unless drilled

• Tire compatibility: Mini BMX (12.5" x 1.75-2.25"), mid-width race tires (20 x 1-3/8"), standard BMX race tires (20 x 1.5-1.75"), wider race or transition tires (20 x 1.95-2.125"), and cruiser class tires (24 x 1.5-1.75")

• Pump compatibility: Works with virtually all standard pumps (no Presta-specific head or adapter required)

• Best for: Riders preferring Schrader valves; multi-bike households with common pumps; mini and cruiser class racers

• Ideal use: BMX racing, training, practice, and casual riding

• Not suitable for: Rims drilled only for Presta valves (without modification)