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Top of the line Canadian made stem packed full of machining detail.

RIZA

RIZA Canadian Made Mountain Bike Stem MTB Stem Colourful
RIZA Canadian Made Mountain Bike Stem MTB Stem Black
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RIZA Canadian Made Mountain Bike Stem MTB Stem Colourful
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RIZA Canadian Made Mountain Bike Stem MTB Stem Colourful
RIZA Canadian Made Mountain Bike Stem MTB Stem Black
RIZA Canadian Made Mountain Bike Stem MTB Stem Blue
RIZA Canadian Made Mountain Bike Stem MTB Stem Red
RIZA Canadian Made Mountain Bike Stem MTB Stem Gold
RIZA Canadian Made Mountain Bike Stem MTB Stem Silver
RIZA Canadian Made Mountain Bike Stem MTB Stem Colourful
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$213.00 Sale Save
DIAMETER 31.8
COLOUR BLACK
LENGTH 38

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We've used our knowledge of making stems for almost 20 years to create a new, highest level, Canadian-made bar grabber.

There's no doubt the RIZA is our finest stem to date. CNC machined in Whistler, Canada from premium 6061 billet aluminum, it features our new faded edge on the clamp face to help avoid hot spots and stress risers when your bar flexes under load.

Also it looks really flippin' nice. 

The RIZA comes in 31.8 and 35mm clamps and 32, 38 and 45mm lengths.

Our latest CNC machined stem with a faded edge to reduce stress risers on the handlebar

☛ Faded edge reduces stress risers on bars
☛ Fully CNC machined
☛ 5mm hardware all round
☛ 31.8 and 35mm clamp options

☛ Stem and hardware

☛ CNC machined in Whistler from premium 6061 aluminium
☛ Anodised in Canada

Specs

Process // CNC Machined

Material // Premium 6061 Alloy

Length // 32mm / 38mm / 45mm

Rise // 0°

Clamp Size // 31.8mm / 35mm

Stack Height // 38mm

Steerer // 1 1/8"

Weight // 194g (31.8/38)

Click here to view the saddle user guide.

Questions?

Don't hesitate to reach out with any and all questions!

Contact Us

Worldwide shipping

We ship anywhere in the world with competitive rates from UPS and FedEx. Alternatively you can pickup right here at Chromag HQ.

Service Guide

Need more info on setup, service and spare parts?

Check out our user guides here.

Warranty

All of our parts are backed by a 1 year warranty.
After that we still have your back with our crash replacement program.

Stem FAQ's

There are really only two bar diameter standards these days, 31.8mm and 35mm.

Make sure you find out which one your current bars are!

Almost all forks nowadays have a 1 1/8" steerer tube at the point where the stem attaches.

There are a few forks still around with a 1.5" steerer but it's quite unlikely you need to worry about this.

You can always measure your current stem/steerer if you want to be extra sure. (1 1/8" is about 28.5mm)

This is very tough for us to answer but somewhere in the vicinity of your fork offset is generally a good place to start.

Remember, a longer stem doesn't really make up for a bike that is too short for you (and vice versa). It affects other things as well, namely handling.

We refer to this as "stack", and it's 38mm on all of our stems. (Apart from the direct mount of course.)

As much as possible! Your steerer should only be about 3mm shy of the top of the stem. (Just enough for the lip of the top cap to clear)

Pro tip: the steerer goes entirely through the stem and sticks out the top by about 3mm. Then use a headset spacer on top. This is how we build our bikes here at Chromag HQ.

You can read the full user guide here, but making sure everything is clean is a great start.

Follow torque specs, and make sure the faceplate has an equal gap top and bottom.

Handlebar markings only get you so far, if you want to be super accurate, get out the tape measure!

If something is creaking it's almost always due to dirt and dust. Take everything apart and clean. This would also be a good time to inspect for damage.

If you have a crash and tweak your bar angle, for the love of god loosen your stem when setting them straight. It also goes without saying to give your bike a good look over after a crash, especially the front end.

It's never a bad idea to replace your stem bolts each year (you'd be surprised how corrosive sweat is). We sell replacement bolt kits at a very reasonable price.

Customer Reviews

Based on 13 reviews
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S
Sam T.
Beautiful

This stem is a beautiful bit of gear.

A
Alex G.
Shits dope best seats and stems in the game

Title says it all that needs said, shits dope the competition cant compete

Nice top cap!

m
martin s.
Beautiful Stem

It's the most beautiful stem i've seen. I now would love one for my other bike.

Amazing service from Chromag as well.

A
Andrew B.
Riza 45 mm x 31.8 mm stem

Chromag are the only maker of quality after market stems that offer a stem that is near to the magic 44 mm (matching trail on a 29” fork) for that balanced, neutral steering one wishes to have on a perfectly balanced bike.
Whilst the Riza is overbuilt for my purposes it is nice to know that it can take the kind of slams that Ramage winners hand out to their bikes when it doesn’t all go to plan.

The machine marks give it a harmonious aesthetic and the use of M6 bolts on the steerer and the face plate mean that only one tool is required to fettle this premium component. Chromag don’t offer an upgrade kit and probably have strong feelings about steel bolts but I feel that the rainbow titanium bolts I have used give it a certain pop.

The main reason to run it is the neutral steering and no-one else makes anything close to a 44 mm stem in the 31.8 mm standard.

Great customer service with prompt answers to questions and fairly swift dispatch into the post.

I have them on all three bikes now as they hit that perfect length between 40 mm (too short) and 50 mm (too long).

Thanks Chromag for filling this gap in the market with a littel chunk of awesomeness.

S
Sebastian
Riza Stem

I loove my Riza!

M
Mike C.
Beautiful Stem

Had various other Chromag Stems over the years but this one is the best looking one yet! Love the new one piece stem faceplate over it predecessor the BZA.

M
Mike S.
From Canada, With Love

Made in Canada, and it shows. The quality and finish is top spec. Everything just oozes of quality. The stem's clamp area is beefy, so you know your bars are secured, and have strong hold.

N
Noel T.
Awesome stuff

Great quality, look, and performance. Overall a great company, you will never regret a purchase from them!!!!