Our key rim features at a lower price point

Ally30 Rim

Ally Rim Mountain Bike Wheel Rim 24" 26" 27.5 inch, 29 inch Chromag Bikes
Ally Rim Mountain Bike Wheel Rim 24" 26" 27.5 inch, 29 inch Chromag Bikes
Ally Rim Mountain Bike Wheel Rim 24" 26" 27.5 inch, 29 inch Chromag Bikes
Ally Rim Mountain Bike Wheel Rim 24" 26" 27.5 inch, 29 inch Chromag Bikes
$60.00 Sale Save
Size 27.5

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The same robust thick bead wall and 30mm rim bed as our Phase and BA wheels but with a pinned joint to keeps the costs down

☛ Thick bead wall to prevent pinch flats
☛ 30mm internal width
☛ 32 spoke
☛ Pinned joint

☛ Rims sold individually.

☛ Premium extruded aluminium
☛ Pinned joint

Specs

Material //Premium extruded alloy

Finish // Anodised extrusion / Pinned

Profile // Cavity / Impact resistant design

Tubeless //Tubeless Ready

Rim Weight //26: 555g / 27.5: 585g / 29: 627g

Internal Width// 30mm

Valve// Presta

Max Tire Pressure 2.4" // 45PSI

Max Tire Pressure 2.8" // 30PSI

Max Spoke Tension // 125KgF

Build Info // 24" ERD: 489 / 26" ERD: 540mm / 27.5" ERD: 564mm / 29" ERD: 602mm

Hole Count // 32

Click here to view the wheel 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.

Chromag rims are built on this foundation

key features

Let's get you rolling

Oriented Nipple Bed

The Phase30 and BA30 feature an oriented bed to help align the nipple seat with the angle of the spoke. This helps reduce stress on the nipple and spoke, thereby creating a stronger wheel.

Robust Beadwall

All our rims are all made from premium grade aluminium. They are extruded to our unique design and refined ERD (Effective rim diameter) for the best tire fit and hold.

The BA30, Phase30 and Ally have a robust beadwall to add increased dent resistance and tire retention.

Material

The Phase30 and BA30 use 6069, this has a higher tensile and fatigue strength along with increased fracture toughness. It is also a bit more expensive.

The Ally uses 6061, whilst still a premium alloy it is slightly lower strength than 6069. As such more is used to compensate making the Ally slightly heavier.

Rim FAQ's

They both use our top end alloy with a fusion welded seam-ground join, and have a 30mm inner width.

The main difference is the BA30 has some extra internal bracing, making it stronger and a bit heavier.

If you're really on the fence, run a Phase on the front and BA on the rear.

The Phase and BA are fusion welded, and post ground which makes the join the strongest part of the rim!

The Ally is pinned at the joint, which is more simple and less labour intensive, but not as strong. The Ally is also slightly heavier as the alloy used has slightly less strength than that of the BA and Phase.

Wheels come pre-taped with tubeless valves installed.

All you need to do is install tires and sealant.

Our wheels are pre-stressed and ready to ride out of the box.

However, like all wheels there is a bedding-in period, so be sure to keep an eye on spoke tension after the first few rides.

Provided the rim does not have a crack, you can use an adjustable wrench to gently bend it back to help your tyres seat properly. Use a rag or an old inner tube to prevent scratching your rim, and be careful to avoid puncturing your rim tape!

You'll likely need to adjust spoke tension if your wheel has taken a hit hard enough to dent it.

Customer Reviews

Based on 6 reviews
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J
Jim D.
Great value

Ordered rims. They came quickly and were in perfect condition.

I’m happy with the whole process.

Thanks so much!

P
Patrick C.
Excellent value

Excellent value

E
Ethan D.
Great dirt jump wheels

I wasn’t able to leave a review under the Ally 26 wheelset, but I have ran the same set on my dirt jumper for the past 3 years and have had no problems. The hubs also have very good engagement, whether it’s the wheelset with tires or the rims, the price is unmatchable!

R
Ryne W.
Amazingly durable

Have had this rim front and back for 2 years now, and I'm extremely impressed with the durability, I haven't had to touch the front rim at all, and it is perfectly true. I recently rode directly into a tree at a higher speed than j would really like and the rim is totally fine, no issues whatsoever! It took me crashing and blowing up my back tire on some rocks to put the smallest little wobble in the back rim, until that point it was totally true.

At this price point you really couldn't get a better rim! Will definitely be coming back to Chromag for my next rims when these ones are finally done

T
Taylor D.
Great Value!

So I bought budget rims to replace the sad, thin, and garbage wheels that came on my bike (only 19mm!!!). These are budget rims and I expected them to still flex a little bit(I ride a 29er), but nope, almost no perceptible flex. I am heavy (120kg) and hard on my bikes but; under braking, hard landings, or hitting huge rocks the wheels do not flex at all.

For reference: Deore XT hubs 9X100 front and 9X135 rear.

P
Patrick S.
Best value rims on the market!

Can't beat the quality of these rims, especially considering the price. If you are looking for a durable rim without breaking the bank, these are it.