Profile Design Subsonic Bracket Kit BOX An additional hard shell back

An additional hard shell back provides further rigidity and a MOLLE adjustable headtube retention system guarantees a secure fit to your bike

The TEO carbon cranks undergo compression testing

Sole Guard - Replaceable heel guards with titanium fittings

giving exceptional protection from impact forces in a fall

2 is designed for the lower torque settings that a shop or consumer would use for proper seat post

Profile Design Subsonic Bracket Kit BOX An additional hard shell backThe bracket is forged to create a sleek low stack design. It offers significantly lower stack than the rest of the Sonic range while retaining the extension reach and width adjustment options. It is compatible with a 31. 8mm basebar, our riser kits and 22. 2mm extensions in aluminum and carbon. Features Materials: Forged 6061 T6 ALStack Height: 23. 5mmWidth Adjustment: 37mmBasebar Clamp Diameter: 31. 8mmExtension Clamp Diameter: 22. 2mmColor: Black