Straitline Ultra Direct Mount stem review

Boxxer-specific integrated stem

Our rating 
3.0 out of 5 star rating 3.0
GBP £94.99 RRP | USD $146.49
Straitline ultra direct Boxxer mount stem

Our review

A light, robust, functional and good-looking product but with a pricetag to reflect this
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Straitline’s Ultra Direct Mount stem comes beautifully CNC-machined from a lump of 6061 T6 aluminium and is designed to be clamped onto a RockShox Boxxer fork. However, most other modern dual crown forks will also accept it.

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The finish is excellent, graphics subtle and the looks will no doubt pimp any rig it’s fixed to. We opted for the roomier 50mm length but there is a 28mm option available too, and both lengths take 31.8mm bar diameters, with 25.4mm reducers available.

The rise is slammed – in fact it’ll actually leave the bottom of your bars sitting flush with the top of the fork crown – so keeping the front end of your bike low isn’t an issue here.

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The clamping is solid and over some pretty heavy months of testing, it’s remained trouble – and flex – free. We found the steering snappy and the length spot-on. In terms of weight, the Straitline is as light as the best of them at 138g – but then it should be for such a high asking price.

Product Specifications

Product

Name Ultra Direct Mount Boxxer Stem (10)
Brand Straitline

Features 28mm also available
Weight (g) 138
Clamp/Bar Size 25.4 31.8
Material 6061 T6 Aluminium
Stem Length/Reach Options 50mm