Muc-Off Big Bore Lite Tubeless Valves - Large (45mm)
The Muc-Off Big Bore Lite Tubeless Valves - Large (45mm) redefine tubeless performance with a revolutionary patent-pending coreless valve design engineered for maximum airflow, simplified setup, and unmatched reliability.
Featuring a straight-through internal bore and integrated stainless-steel ball valve system, these innovative tubeless valves eliminate the restrictions and clogging issues commonly associated with traditional Presta valves, delivering up to 230% greater airflow for faster tyre inflation and sealant installation.
Precision CNC machined from premium 7075 aircraft-grade aluminium, the Big Bore Lite valve combines lightweight construction with exceptional durability. The integrated lever-operated ball valve allows riders to quickly open and close airflow, making inflation, sealant top-ups, and even on-the-fly tyre pressure adjustments effortless.
Designed for compatibility with most tubeless wheelsets, pumps, and tyre inserts, the Big Bore Lite is the ultimate upgrade for riders seeking faster setup, easier maintenance, and maximum airflow performance.
Features
- Patent-pending coreless tubeless valve technology
- Straight-through internal bore design eliminates valve core restrictions
- Delivers up to 230% greater airflow compared to traditional Presta valves
- Integrated stainless-steel ball valve system prevents clogging
- Fast and efficient tyre inflation and tubeless setup
- Allows sealant installation without removing a valve core
- Lever-operated valve enables quick airflow control
- Supports on-the-fly tyre pressure adjustments during rides
- Precision CNC machined from 7075 aircraft-grade aluminium
- Fully serviceable design for long-term maintenance and durability
- Universal valve head compatible with most screw-on and push-fit pumps
- 4-way airflow base compatible with most tubeless tyre inserts
- Spanner flats on the valve head, lever, and body for easy servicing
- Coreless design allows convenient sealant inspection using the Muc-Off Hey Dipstick! tool (sold separately)
Specifications
- Product: Big Bore Lite Tubeless Valves - Large
- Valve Stem Length: 45mm
- Overall Length (excluding cap): 75mm
- Suggested Rim Depth: 22–31mm
- Pump Compatibility: Presta Pumps
- Rim Compatibility: Presta Rims
- Material: 7075 Aircraft-Grade CNC Machined Aluminium
- Ball Valve Material: Stainless Steel
- Airflow Increase: Up to 230% vs Traditional Presta Valves
- Tubeless Insert Compatible: Yes
- Serviceable Design: Yes
What's Included
- 2 × Muc-Off Big Bore Lite Tubeless Valves
- 4mm Hex Slot Installation Tool
- Multiple Rubber Bases and O-Rings for various rim profiles
- Bespoke Installation and Removal Spanner
Designed to eliminate clogs and maximize airflow, the Muc-Off Big Bore Lite Tubeless Valves - Large (45mm) deliver faster inflation, easier tubeless setup, and dependable performance for riders seeking the ultimate tubeless valve upgrade.
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Let customers speak for us
Lightweight, well ventilated and fits well for my rounded Asian head.
Good quality nice colour.
Very grippy and comfortable pair of shoes !
best grip from nice shop
very nice and sincere staff who really wants to help you.
Great pedals that go well with Shimano shoes
convenient bike shop, expert mechanics and friendly staff
KMC gold chain is smooth like butter and thanks to Mr Ho
Fit is great and pretty light
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Excellent mount for mobile phones!
