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Alpinestars A-Line Pant - Men's

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Item # APN0050

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Item # APN0050


If you ride your mountain bike with any kind of frequency, ground-induced abrasions just become a fact of life. The only way to protect yourself is to ride really slowly. Since that takes all the fun out of riding, you'll need to go with Plan B: full coverage. While this may sound hot and unpleasant, Alpinestars may have the solution. The A-Line Pant provides all the road rash protection that you need from the waist down. It also fits nicely over pads, provides cooling air flow, and stretches in all the right places to keep you comfortable and scratch-free all day.

The Alpinestars A-Line Pant provides complete leg protection for ridiculously gnarly descents. The A-Line pant is fitted slim so it won't flap around while you ride, but easily accommodates your knee pads. The slim fit also keeps it from snagging limbs and branches and whatnot while you bomb tight singletrack. A tough ripstop rear panel resists abrasion for long-lasting posterior protection.

Alpinestars also included two-way stretch panels on the back, in the knees, and in the crotch area for an unlimited range of motion with no binding. Along with built-in stretch, the A-Line keeps it cool with air mesh panels on the upper thighs and lower legs that force air to circulate through the pant while you ride. These vents also allow sweat vapor to escape so you feel cool and dry, even in the heat of the summer.

The Alpinestars A-Line Pant is available in even sizes 28 to 40. It comes in Violet/White, Blue Marine/White, Yellow Fluo/White, Red/Black, and Gray/Black.

Tech Specs

hook-and-loop tabs
Recommended Use:
mountain bike
Manufacturer Warranty:
21 days

Size chart

Fuji Bicycles


Geometry Chart


Altamira LTD

Seat Tube


Effective Top Tube








Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop


Chainstay Length



44 44.0cm 51.5cm


36.3cm 72.1cm


72.0 deg 75.0 deg 6.9cm 40.5cm 97.1cm
47 47.0cm 53.0cm


37.0cm 74.1cm 13.0cm 72.5 deg 74.5 deg 6.9cm 40.5cm 97.7cm
50 50.0cm 54.5cm 54.0cm 37.0cm 76.0cm 14.0cm 73.0 deg 73.5 deg 6.9cm 40.5cm 97.6cm
53 53.0cm 56.0cm 56.0cm 37.9cm 78.3cm 16.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 98.6cm
55 55.0cm 57.5cm 58.0cm 38.9cm 80.1cm 18.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 100.1cm
58 58.0cm 59.0cm 60.1cm 39.7cm 82.1cm 20.0cm 74.0 deg 73.5 deg 6.9cm 40.5cm


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