Bontrager Line Pro handlebar and stem review
The Line Pro carbon handlebar and alloy stem are beautifully designed.
What is it
Riders who appreciate design aesthetics in their mountain bike components should take a close look at the Bontrager Line Pro carbon handlebar and alloy stem combo. Featuring OCLV carbon construction and oversize 35mm clamp diameter, the Line Pro handlebar delivers increased strength without adding any stiffness to maintain comfortable ride quality while only weighing 202 grams. The Line Pro alloy stem with 35mm four-bolt removable face clamp is made from 6061-T6 3D forged aluminum, weighing in at 168 grams (70mm length) using corrosion-resistant steel bolts and laser-etched calibration marks.
A removable face plate and corrosion resistant screws are little details that make the Line Pro stem stand out.
Pros
- High quality appearance
- Proven OCLV handlebar construction
- Outstanding strength to weight ratio
- Range of stem lengths
- Brake and shifter position lines
- Cut marks to customize bar width
Cons
- Only two bar width sizes and two rise options
- Stem only comes in 0 degree rise
The 35mm handlebar and stem interface improves strength without sacrificing weight or improving stiffness too much.
Mtbr’s Take
Last year’s introduction of Line Pro bike components is a big step forward for the Bontrager brand, an excellent line of products worthy of Keith Bontrager’s reputation for quality. Not only is this bar/stem cockpit pleasing to the eyes, but lightweight OCLV handlebar construction delivers proven durability and increased strength without being too stiff on the arms. Buyers can opt for five different stem lengths (40, 50, 60, 70, 80mm) with 0 degree rise, and the handlebars available in 15mm or 27.5mm rise with 9 degree bend. The bars are only available in 750mm or 820mm widths, but 40mm of cut marks on either side of the bar make it easy to customize. And compared to other premium 35mm cockpits, Line Pro is competitively priced, delivering a great performance value.
Rating: 4.5 out of 5 Flamin’ Chili Peppers 
Price: $179.99 (handlebar), $99.99 (stem)
More info: www.trekbikes.com (handlebar) and www.trekbikes.com (stem)
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