Race Number Holder Seat Post Model:For Specialized Tarmac SL7 we include a set of

we include a set of 3 shims

3 x M4 bolts (2 x 20mm

Please note this design is not compatible with the Timewarp Team-E

3D printed seat post mount perfectly dimensioned for the Specialized Tarmac SL8

5 degree thin shim for Aspero-5

Race Number Holder Seat Post Model:For Specialized Tarmac SL7 we include a set ofLook 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.