Northwave Aerlite SBS MTB review
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Northwave Aerlite SBS MTB review

Mountain bike shoes

Our rating

3.5

201.4
137.01

James Huang/Cyclingnews.com

Published: December 11, 2008 at 12:00 pm

Our review
Superb long-term comfort, grippy sole and durable construction, but heavy and only for those with big feet

The Northwave Aerlite SBS MTB is a faithful adaptation of its successful road-going cousin with an exceptionally well ventilated upper, a secure and supportive fit, a reasonably stiff sole plate and excellent durability that has held up well to the rigours of mountain bike trail duty and plenty of cyclo-cross racing.

As the name suggests, airflow is a key feature of the Aerlite SBS MTB, with liberal helpings of open mesh littered throughout the microfibre upper in key locations such as the front and outer sides. The open metallic mesh exteriors are mostly for show (they’re backed by conventional mesh) but the vents are impressively effective nonetheless - our feet stayed noticeably cooler than usual in warmer temperatures and there was so much air coming through in colder temps that we had to use shoe covers when we would normally have gone without.

Generous venting in the forefoot isn't just there for show - you can actually feel air coming through, especially if it's cold outside: generous venting in the forefoot isn't just there for show - you can actually feel air coming through, especially if it's cold outside James Huang/Cyclingnews.com

Like many shoes these days, the Aerlite SBS MTB uses a semi-rigid ‘cage’ that envelopes the rear of the foot and a grippy ‘cat’s tongue’ lining inside the heel cup – only in this case, it all actually works as intended. Heel hold is superb and we experienced no slip whatsoever, whether on foot during hike-a-bike sections of the trail or during ‘cross run-ups.

Moreover, Northwave manages to achieve this level of hold along with long-term comfort that was free of pressure points. The adjustable-length main strap is backed by a meaty foam pad, the tongue backed by its own thinner pad and heavily slotted up top for more flexibility against your tendon, and the upper materials are pleasantly supple. There are no stitches or hard points where you wouldn’t want them to be and the overall feel is – dare we say it – almost Sidi-like but with even better heel hold.

A polyurethane cage wraps the rear of the foot for exceptional heel hold, even when walking: a polyurethane cage wraps the rear of the foot for exceptional heel hold, even when walking James Huang/Cyclingnews.com

The heavily lugged outsole offers a secure and stable grip on a variety of surfaces and even sheds mud pretty well – optional toe spikes can be fitted if things get ugly. Although the carbon-reinforced nylon sole to which it’s all attached is noticeably softer than full-carbon units, it’s still stiff overall and the modicum of extra flex was nice to have when running the barriers in ‘cross or when longer days on the mountain bike involved more time exploring on foot.

Long-term durability has been top-notch, too, as neither the lugs nor upper have shown any unusual signs of wear during our test period.

The carbon-reinforced nylon sole is notably more flexible than true carbon plates but still reasonably stiff: the carbon-reinforced nylon sole is notably more flexible than true carbon plates but still reasonably stiff James Huang/Cyclingnews.com

However, two major flaws mar the otherwise spotless performance. First, the shoes are rather heavy at 844g per pair (size 43.5) and finicky racer-types will undoubtedly balk at the extra mass. Even Shimano’s comparably robust SH-M225 shoes – which are no featherweights themselves – are a bit lighter.

We can partially overlook the weight issue as these things have proven to be so durable, but the unusually high-volume fit is impossible to ignore. We had to adjust the main strap to its shortest position and ratchet it down to the very last stop in order to get a properly secure fit on our average-sized feet – and that was with slightly thicker socks and our preferred thicker insoles fitted, too.

The main strap is adjustable in length, though we still had problems getting it short enough for our average-sized feet: the main strap is adjustable in length, though we still had problems getting it short enough for our average-sized feet James Huang/Cyclingnews.com

Unfortunately, that means that many riders who might otherwise benefit from the Aerlite SBS MTB’s laundry list of positive attributes might never get these strapped on tightly enough to enjoy them. Northwave would be wise to move both the strap anchor point and the buckle a little further down the sides of the shoe – or at least provide a secondary buckle mounting position. Even the highest-arched of riders aren’t likely to ever use the maximum girth afforded.

Otherwise, the Aerlite SBS MTB is a very good choice for an all-around off-road shoe – as long as your foot is big enough. It’s not the lightest, stiffest, or cheapest, but it’s exceptionally durable, comfortable and well made, and should appeal to those looking to get more than a season of hard use out of their shoes.

Construction quality is top-notch and the shoes have proven durable over months of abuse: construction quality is top-notch and the shoes have proven durable over months of abuse James Huang/Cyclingnews.com
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