Specialized Bicycle P.18 AM Dirt Bike

“DIRT FOR LIFE!”
Alain Lanusse, Specialized Senior Graphic Designer, pump track architect.
The "P' in "P. Bikes" doesn't stand for "Pretty". No fluff and no sparkly stuff. Just bombproof rides that mix advanced technology and top-shelf materials with geometry proven in the street, park and dirt. Start rolling right on the P.18 AM, it's built for shredding with a strong, quality components.

• Hi-Ten frame with 18.5" top tube has an integrated headset, MID BB, small dropouts, and dialed geos for dirt, park, or street
• P. Series tapered fork is strong enough to handle abuse
• Lightweight 36-hole wheels with low flange 3/8" axle front hub and rear 14mm cassette with 9t driver; plus high-volume, impact-absorbing Specialized Rhythm Lite Sport 2.0" tires give you the versatility to ride dirt or street
• High-volume, impact-absorbing Specialized Rhythm Lite Sport 2.0" tires give you the versatility to ride dirt or street
• 3-piece tubular Cr-Mo crankset with cartridge-bearing MID BB lets you boost as high as you like; compact, singlespeed gearing specially designed for dirt/park/street; 25t chainring resists bending and delivers clearance over obstacles
• 25t chainring resists bending and delivers clearance over obstacles
• Lightweight plastic platform pedals take mercy on your shins, but remain strong enough to handle even the harshest landing
• 6.5" x 25" handlebars make your set-up current and give you more leverage and control
• Compact, singlespeed gearing specially designed for dirt/park/street
• Superlight and durable one-piece saddle/post combo can take a serious beating

Source - http://www.specialized.com/us/en/bikes/dirt-park-street/p.series/p.18am#geometry