Maximum Clamp Control

An ultra-wide clamping area boosts rigidity for precise, confident handling.

Precision Machined

CNC machining delivers an exact fit with a clean, premium finish.

Built to Last

Stainless steel hardware with washers protects the aluminium and keeps everything tight over time.

Made to Ride Hard

Designed specifically for downhill, freeride and enduro riding.

X Marks the Spot

Machined markings on both body and clamps for perfect alignment, everytime.

System Thinking

Built together. Rides together.

The GCS components are engineered to complement each other — tolerances matched, aesthetics unified, superior performance delivered.

UK Made

GCS Stem brings serious strength and precision to your cockpit.

Manufactured out of 6000 series aluminium, GCS stem is entirely CNC machined in the UK.  With corrosion proof stainless steel bolts throughout to ensure you are never let down.

Technical specifications

Material: 75% recycled aluminium

Clamp Diameter:
31.8mm, 35.0mm

Lengths:
35mm

Bolts:
M6 Stainless Steel with washers

Stack:
40mm

Rise:


Testing:
EFBE Gravity Tri-Test

Made in:
UK, assembled in France