Trek Bicycle is recalling about 27,000 FX and District bicycles because the bolt securing the seat saddle clamp to the seat post can break, creating the risk of a crash.

Trek Bicycle has received four reports of incidents with one injury involving a broken tooth and lip injury.

The bicycles affected by this recall include the following 2012 models:

• 7.5 FX including WSD and Disc models
  
• 7.4 FX including WSD models
  
• 7.3 FX including WSD and Disc models
  
• 7.2 FX including WSD models
  
• Livestrong FX including WSD models
  
• Livestrong District
  
• 9th District
  
• District

The model name is found on the bicycle's frame. Consumers can determine the model year by looking at the SKU number stamped on the bottom bracket, which is found near the pedals. If the last two digits of the SKU are 12, the bicycle is from model year 2012.

The recalled bicycles were sold for $550 to $1,100 at specialty bicycle retailers nationwide between May and September 2011.

Consumers should stop riding the bicycles immediately and contact an authorized Trek dealer for a free replacement bolt. For additional information, contact Trek at 800-373-4594, or visit www.trekbikes.com.

Bicycles Recalled by Trek Due to Fall Hazard [CPSC]