cSixx
Stem 35mm for Trek Knockblock
Stem 35mm for Trek Knockblock
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Trek Knockblock compatible
Specifically manufactured for the Trek Knockblock system.
CNC 6082 T6 Aluminium
Precisely CNC machined in-house from aluminium billet.
Please note that Custom colors can take up to 5 days to process and are not returnable.
Zero-Gap Bar Clamp
Distributes clamping load evenly and allows for an easier set-up.
Anodised Finish
Hard-wearing and extra steezy!
Tested In-House
By our cSixx test rigs, surpassing commonly used international standards.
Reduced Bar Stress
Utilises a larger clamping surface with radiused edges to reduce stress concentrations on your bar.
Stainless Steel Hardware
Keeping your cockpit secure and rust-free.
Harmonised Hardware
All 6 bolts are the same size and use a 4mm Allen key hex head.
Stack Height
40mm
Clamp Width
45mm
Steerer Diameter
1/1.8"
Fitment Tips
Ensure the steerer tube is all the way through the stem with a spacer on top.
All the options :
Bar Diameters
Lengths
Rise
