After five months on Bontrager's satisfyingly affordable carbon wheels, we feel quietly reassured that you don't need to sacrifice an arm and a leg to upgrade your bike in one of the best ways possible.
The not-so-minor details
Bontrager Line Pro 30 TLR Boost 29
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Solid, fast, direct and tough.
Great upgrade from mid-level aluminium wheels.
Durable, understated graphics.
Supplied rim strip adhered to our tyres with tubeless sealant.
Saying the two words ‘carbon’ and ‘wheel’ would send your credit card running to hide under the couch, with brands like Reynolds, ENVE doing wheels around and above the $3K mark, yikes! Sure, there is carbon, and there is ‘carbon’, and there is also a myriad of lesser-known or even imitation brands selling wheels for under $1500.
The Line 30 are a $1698 pair of wheels for the trail/all-mountain/enduro segment, available in 27.5″ and 29″ in Boost hub spacing only.
Bontrager’s name is a very reputable one; they only do quality stuff, found primarily on Trek bikes. Though over the last few years we’ve seen products like their tyres, saddles, shoes, helmets and wheels become some of the best, and worthy to fit on any brand of bike. We doubt we’d have the same confidence with many other bike brand’s in-house componentry lines.
Cool, so they aren’t over the top expensive, and we dig Bontrager’s stuff. How did the wheels ride?
Stiff, very stiff. We fitted the Line 30s to our Norco Sight after an excellent term riding the Wheelworks Flite Wide Alloy wheels; a 35mm wide aluminium wheelset handbuilt in Wellington, NZ. The Wheelworks wheels felt great, they had a huge air volume and we relished in running lower tyre pressures for traction and feel. Swapping to the narrower profile Bontrager wheels which measure 29mm internally, the bike instantly felt less supple, but definitely more direct and laterally stiff.
The freehub in the rear wheel feels nice and solid with great engagement and a sophisticated sound of quality. We only serviced it once, and give the sealing and ease of serviceability two thumbs up. And after five months of hammering, they are straight and true, never requiring any attention with a spoke key to tension or straighten.
Stiff is good, right?
Well, yes, and no, the best wheels achieve a balance. We’ve ridden wheels that are too stiff that lack feel and compliance, and on the other hand, we’ve found plenty of wheels with underwhelming performance due to their lateral rigidity.
We’d say they the Bontragers are on the stiffer end of stiff-o-meter providing a very direct feeling when you move the bike around and jump hard on the cranks. Holding a straight line through a rock-strewn trail or sliding the wheels sideways with the rear brake on displayed a wheel with good feel and a nice balance of stiffness and compliance.
Rolling along the 1700g set of wheels feels light and fast, a worthy upgrade to add some speed to your steed, for sure.
Arrgh, the terror of the tubeless rim strips!
In our first impressions piece on the wheels, we praised the hard plastic tubeless rim strips. We expected them to be robust, removable without the need for sticking tape, and to provide a firm connection between the bead of the tyre for a strong bond between tyre and rim. But my-oh-my was that last part true. The tyre and rim strip practically glued together after three months of use, the Schwalbe Performance Nobby Nic and Magic Mary with a standard dose of Orange Seal tubeless sealant were stuck on the wheels, no matter how hard we tried.
We did find the thick plastic strips to make tyre installation a little tight, but it was the removal that had us swearing and bringing out unconventional techniques in an attempt to release the tyre’s bead from the inside of the rim strip. It broke us. We eventually (many failed attempts) broke the tyre away using a thin tyre lever, and have since removed the supplied strips and installed plain old tubeless rim tape, and we’ve not encountered any issue since. No rolling tyres off at low pressures, leaking air or anything. Maybe it was an unfortunate combination of Orange Seal sealant and Schwalbe tyres? We don’t know, but that’s just what happened.
Yay, or nay?
Our great experience with the Bontrager Line 30 wheels on the trail was a little marred by the tubeless strip saga; we can’t say the same for everybody experiencing what we did.
We like their understated appearance, stiff and precise feeling on the trail, the easy to service and well-sealed freehub and of course the impressive pricing, under $1700.
Want more specs, pricing and compatibility options?
Wander over to Bontrager’s wheel lineup page on their site for more: https://www.trekbikes.com/au/en_AU/equipment/cycling-components/bike-wheels/mountain-bike-wheels-wheelsets/c/E418/