Cast EFX Standard Mount Stem
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Cast EFX Standard Mount Stem — Race-Developed Enduro Cockpit Control
The Cast EFX stem is a premium enduro stem designed and developed on the Enduro World Cup circuit alongside Greg Callaghan. Built for riders who want to dial in their cockpit precisely, it's fully CNC'd from 6061-T6 aluminium and comes in at 180g — a serious stem for serious trail and enduro setups.
What It Does
The EFX is engineered to give riders and mechanics the confidence to set up a consistent, repeatable cockpit position. Whether you're fine-tuning for a race run or dialling in your daily trail bike, the EFX's geometry and construction back up the adjustments you make. Cast pair it with their SFX handlebars for a matched cockpit system.
Technical Specification
- Lengths available: 35mm or 45mm
- Bar clamp diameter: 31.8mm or 35mm
- Rise: 0°
- Material: 6061-T6 aluminium, fully CNC'd
- Weight: 180g
- Colour: Black
Compatibility
Available in two bar clamp sizes — 31.8mm and 35mm — to suit a wide range of handlebar standards. Check your handlebar's clamp diameter before ordering. Both variants are available in 45mm length. Cast recommend pairing the EFX with their SFX handlebars for a cohesive, matched cockpit build.
Why Torque Collective Stock This
At Torque Collective we build up a lot of enduro and eMTB cockpits, and stem choice matters more than most riders realise. The EFX ticks the right boxes: it's CNC'd from proper aluminium alloy, it's been developed under real race conditions on the EWC, and at 180g it's not carrying unnecessary weight. The availability in both 31.8mm and 35mm clamp sizes means it works across most modern builds without compromise. For riders after a clean, confidence-inspiring front end — particularly those running Cast SFX bars — this is a natural fit on the workshop bench.