Topeak MTX E-Type Heavy Duty Beam Rack for Medium bikes

For mountain bikes or heavy commuting use.  Improved QR mechanism is more secure and easier to use.

• QR firts 25.4-31.8 seatposts (shims included)
• Aluminum Beam/ MTX Quick Track System compatibility 
• 20lb maximum weight capacity
• 21.3" x 5" x 3.2"
• weighs 1.5 pounds
• Includes safety reflector and tail light mount
• Optional MTX side frame for trunk bags with panniers sold separately