The Theory Conserve Cranks (Bike Life Version), are made from the same durable chromoly construction as the normal version, but instead come with a longer 175mm spindle to accommodate the wheelie bikes that have a wider bottom bracket shell. 

• Note the photo shows the shorter 138mm spindle version, however these do ship with the larger 175mm
• Chromoly construction
• 8 spline spindle (175mm)
• RIGHT HAND DRIVE ONLY