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SMOKO-CAP MTB Top Cap | Mountain Bike Headset Cap | HEXCAPS

SMOKO-CAP MTB Top Cap | Mountain Bike Headset Cap | HEXCAPS

Regular price $25.00
Sale price $25.00 Regular price $30.00
SAVE 16% Sold out
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Buying a gift? How to choose the right topcap
local_shipping In stock: Dispatches in 1–2 business days.
help Will this fit my bike?
It will fit most MTB and dirt-jump bikes if:
  • Your current topcap is round and held by one centre bolt.
  • Your bike does not store a tool inside the steerer tube.
  • Your headset uses a standard M6 topcap bolt.
Send us a bike photo

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Fit & installation

Hexcaps are designed for standard bicycle headset top-cap setups. Installation is quick: loosen the stem pinch bolts, swap the cap, preload the headset, then retighten the stem. Contact us before ordering if you are unsure about compatibility.

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Buying for someone?

Not sure what to choose? Don't worry. Hexcaps fit most mountain bikes and make an easy gift for riders who want their bike to stand out.

What You Need to Know

Pick a design they'll love. You don't need to know their bike's size, wheel size or brand.

For an extra check, look at the middle of their handlebars. If there is a round topcap held in place by one bolt, a Hexcap will most likely fit.

What Comes With It?

Every Hexcap order includes:

  • One graphic topcap
  • One M6 bolt
  • Help checking the fit
  • Simple fitting instructions

Tools are not included.

What Bikes Will It Fit?

Hexcaps are made for most modern mountain bikes and dirt-jump bikes with a standard topcap.

They may not fit bikes with:

  • A special headset system
  • A tool hidden inside the steerer tube
  • A topcap with a different bolt or unusual shape

Still unsure? Send us a clear photo of the middle of the handlebars. We'll check it for you.

Check my bike

Money-Back Guarantee

Buy the gift without the worry.

If the Hexcap doesn't fit, contact us within 30 days. We'll help you check the bike first. If we can't get it sorted, you can return it for your money back.

Your normal rights under Australian Consumer Law still apply.

Need Help?

We're real riders and we're happy to help.

Send us:

  • A photo of the bike's current topcap
  • The bike's brand and model, if you know it
  • The Hexcap design you want

We'll tell you if it should fit.

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Shipping & order help

Estimated dispatch and delivery timing is shown above. For order changes, fit questions, or return help, contact our support team and include your order number.

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Product details

Sassy had his moment… but Mike Nolan just clocked on at the lighthouse and stole the whole show. 


The Smoko-Cap has landed — the next evolution of the Sassy range, and it goes stupid hard. Bolt it to your stem. Claim the drip.

Shop the drop at hexcaps.shop before it disappears.

What Are MTB Topcaps?

An MTB topcap, also called a stem cap or headset cap, sits at the top of your mountain bike’s fork steerer tube. On a threadless headset, the cap and its centre bolt are used to set the headset bearing preload during adjustment, helping remove unwanted play while allowing the steering to turn freely.

It’s also one of the details you see every time you look down at your bike.

Make Your Bike Yours

A HEXCAPS topcap replaces your plain stock cap with a design that suits your setup. Match your bike’s colours, choose a graphic you love or add an engraved detail to your cockpit.

Explore our MTB topcaps collection to find your favourite design.

Will It Fit My Bike?

HEXCAPS topcaps are designed for standard bicycle headset top-cap setups. Check this product’s specifications for compatibility before ordering.

Bikes with integrated steerer tools, special headset systems or an unusual topcap may need a different solution. Unsure? Send us a photo of your current setup and we’ll help you check.

Is a Bolt Included?

Yes. Each HEXCAPS topcap includes an M6 bolt. You’ll find the design, finish and sizing information in the product details above.

View full details

TRUSTED BY 5,000+ RIDERS

TRUSTED BY BIKE SHOPS

TRUSTED BY PRO RIDERS

TRUSTED BY 5,000+ RIDERS

TRUSTED BY BIKE SHOPS

TRUSTED BY PRO RIDERS

TRUSTED BY 5,000+ RIDERS

TRUSTED BY BIKE SHOPS

TRUSTED BY PRO RIDERS

TRUSTED BY 5,000+ RIDERS

TRUSTED BY BIKE SHOPS

TRUSTED BY PRO RIDERS

TRUSTED BY 5,000+ RIDERS

TRUSTED BY BIKE SHOPS

TRUSTED BY PRO RIDERS

TRUSTED BY 5,000+ RIDERS

TRUSTED BY BIKE SHOPS

TRUSTED BY PRO RIDERS

TRUSTED BY 5,000+ RIDERS

TRUSTED BY BIKE SHOPS

TRUSTED BY PRO RIDERS

TRUSTED BY 5,000+ RIDERS

TRUSTED BY BIKE SHOPS

TRUSTED BY PRO RIDERS

TRUSTED BY 5,000+ RIDERS

TRUSTED BY BIKE SHOPS

TRUSTED BY PRO RIDERS

TRUSTED BY 5,000+ RIDERS

TRUSTED BY BIKE SHOPS

TRUSTED BY PRO RIDERS

TRUSTED BY 5,000+ RIDERS

TRUSTED BY BIKE SHOPS

TRUSTED BY PRO RIDERS

TRUSTED BY 5,000+ RIDERS

TRUSTED BY BIKE SHOPS

TRUSTED BY PRO RIDERS

BUNDLE & SAVE

Build Your Bundle

Mix different in-stock caps without leaving this product page. The more you build, the more you save.

1 Pick your setup
2 Unlock saving
3 Bundle ready
Choose your setup Only currently available setup options are shown.

Your setup

Bundle total $0.00
In-stock items only Discount applied automatically Mix different designs

FREE BOLT!

Best Part, bolt on us. We provide our high quality steel bolt in each package.

Packed In Australia 🇦🇺

We carefully pack each of your orders. Our in-house team makes sure each topcap is packed and shipped within 3 business days. With each package coming with free stickers and a happy rider guarentee.