Race Number Holder Seat Post Model:For Specialized Tarmac SL7 5 degree thin shim for

5 degree thin shim for Aspero-5

our GoPro compatible mount allows you to slide in your A5 or A6 Front Race Plate and secure it with our thoughtfully designed tool-free locking clips

With our mount

To allow for this

Race Number Holder Seat Post Model:For Specialized Tarmac SL7 5 degree thin shim forLook the part on race day with a Concentric Cycling Race Number Holder. Our dedicated race number holders are perfectly dimensioned for your seat post, lightweight (~20 grams) and won't move around like rubber bands or zip ties will. Manufactured in Australia from Carbon Nylon for strength, durability and heat UV resistance. Supplied with a tool free 2 part locking mechanism. With mounts available for over 100 seat post models, we have you covered.