For medium and large frames
-Hinged QR seatpost clamp fits 25.4 - 31.8mm seat posts
-6061-T6 AI construction
-MTX QuickTrack accepts Topeak trunk bags
-Bungees and safety reflectors included
-Rear light mount
-20 lb. weight limit
-26-29'' / 700c
-20 lbs.
-20.1'' x 4.7'' x 4.3''
-M and L bike frames
-Rear
-Aluminum
-Seat post
-680
-For M/L Size Frames For MTB or heavy commuting use. QR mechanism is secure and easy to use. Compatible with all MTX TrunkBags. Includes two rubber bungees and safety reflector.
-Available for Pickup within 2 to 1 businesses days