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The Muc-Off Big Bore Lite is a pair of CNC-machined 7075 aluminium tubeless presta valves with a straight-through bore claimed to flow 230% more air than a traditional presta core, plus a 4-way base compatible with most tire inserts. They are for tubeless riders who struggle to seat tires or run inserts, in multiple stem lengths and colours to match the build.
- 230% higher air flow than traditional presta valves thanks to the straight through bore deisgn
- Precision CNC machined from 7075 aircraft grade aluminium
- Stainless steel ball valve with seals and O-rings
- 4-way tyre insert air flow base is compatible with most tubeless inserts
- 4mm machined hex key slot for easy installation / removal
- Available in 25, 35, 45mm valve stems to suit different rim depths
Pairs well with

Muc-Off Big Bore Lite
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