Home improvement accessory aimed at improving intake behaviour and fitment on small gas motorised bicycles. Riders seeking crisper throttle response and flexible fitment will appreciate a simple, targeted upgrade. Is the HXGXKBQ Racing Reed Valve Kit the right choice for a 66cc or 80cc conversion?
⚡ At a Glance
- • Fitment Flexibility: Two-in-one inlet design supports a range of common motorised bicycle setups without major modification
- • Best for: Owners of 66cc or 80cc gas motorised bicycles who want a straightforward intake upgrade
- • Not ideal for: Larger engines or intake systems that do not use 32mm or 40mm bores
A two-in-one racing reed valve kit supplied with alternate inlet sizes for common intake setups. Performance is compatible with standard pistons and tends to improve when paired with windowed pistons.
Improved throttle response – with two inlet sizes (19mm and 25mm)
Two interchangeable inlet ports, 19mm and 25mm, alter airflow characteristics into the reed assembly to suit different engine tunes and intake geometries.
Ability to switch inlet size helps match airflow to the engine, giving sharper throttle response during low- and mid-range use. Practical for riders tuning a conversion without replacing the whole intake.
Broader fitment for common intakes – thanks to compatibility with 32mm and 40mm intake bores
The kit is specified for use with 32mm and 40mm intake diameters, allowing direct connection to popular motorised bicycle manifolds.
Wide fitment range reduces the need for adapters and makes the kit suitable for swapping between different conversions. Ideal when upgrading multiple bikes or testing setups.
Better response with windowed pistons – with support for normal and windowed piston types
Works on standard piston and cylinder assemblies, while a windowed piston configuration typically interacts with the reed timing to improve flow dynamics as noted by the manufacturer.
Pairing the kit with a windowed piston is likely to yield clearer gains, while standard pistons still see reliable, predictable operation. Useful for incremental performance improvements without a full rebuild.
✨ The 4 Key Reasons for HXGXKBQ Racing Reed Valve Kit
- Two inlet sizes (19mm & 25mm) – Allows tuning of intake airflow for varied engine setups
- Designed for 66cc and 80cc engines – Matches common motorised bicycle engine capacities reliably
- Works with normal piston and cylinder – Provides dependable operation on standard engine assemblies
- Detailed sizing drawing included – Confirms correct fitment before installation
📋 Technical Details at a Glance
- Category: Home Improvement
- Brand: HXGXKBQ
- Product Type: Racing Reed Valve Kit
- Compatible Intake Diameters: 32mm, 40mm
- Inlet Sizes: 19mm and 25mm
❓ Frequently Asked Questions
Q: Which intake diameters does the kit fit?
A: The kit suits intake bores of 32mm and 40mm, with inlet options to match those setups.
Q: What engine sizes are supported?
A: Intended for 66cc and 80cc gas motorised bicycle engines, compatible with common small conversion setups.
Q: What is included in the package?
A: One racing reed valve kit supplied with two inlet sizes (19mm and 25mm) and a detailed sizing drawing for reference.
🏆 Our Verdict
Suitable for riders and hobbyists upgrading small gas motorised bicycles who need flexible intake options and modest performance gains. The standout element is the two-in-one inlet design combined with clear sizing documentation, which simplifies matching the kit to a conversion. The kit represents a practical, long-term tuning choice for anyone refining intake behaviour without wholesale engine modification.
