MTB Stem Cap - Black Diamond
$20.00
MTB Stem Cap - Black Diamond
$20.00
The Black Diamond is a laser engraved aluminium MTB stem cap by CrankCaps — built for riders who want clean, custom bike parts without compromising on quality. Designed to fit 31.8mm forks on mountain bikes, road bikes, and hybrid bikes, this 31.8mm stem cap comes complete with a stainless steel M6 bolt and installs in four simple steps.
Product Specifications
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Material (Stem Cap) |
Aluminium Alloy |
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Material (Screw) |
Stainless Steel |
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Finish |
Laser Printed Design |
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Cap Size |
31.8 × 28.2 × 7.8 mm |
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Screw Size |
M6 × 36 × 10 mm |
How to Install the Stem Cap
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How to Install the Stem Cap
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Step 1 – Loosen things up Before touching the top cap, it’s recommended you loosen the two pinch bolts on the side of your stem. This takes pressure off the headset so the top cap can do its job properly. Tighten the top cap bolt until there’s no play in the headset, but the bars still turn smoothly. If you’ve got a torque wrench, 3–4 Nm is spot on.
WHAT’S INCLUDED:
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Step 2 – Swap the cap Remove your old top cap and bolt. Pop your Crank Caps top cap into place and lightly tighten the top cap bolt. This bolt is only there to set headset tension, not to clamp everything down. Once the headset feels right, tighten the stem pinch bolts back up. Give the bars a quick check, and you’re good to send it clean. |
Why Choose a CrankCaps Stem Cap?
CrankCaps designs premium laser engraved bike accessories for riders who care about the details. Our aluminium stem caps are precision-machined and finished with a laser-printed design that won't scratch or fade. Whether you're building a custom MTB, refreshing your road bike headset cap, or looking for a unique cycling gift, CrankCaps stem caps are a simple upgrade with big impact. Ships Australia-wide.
