Portland Design Works Alexander Graham Bell CheckoutSpec= SRAM 3-Bolt Direct Mount 41 BB/Frame Interface BB121 BB/Frame

41 BB/Frame Interface BB121 BB/Frame Interface BB132 BB Shell Width (mm) 121 Weight 120 Spindle Interface Type SRAM/Truvativ GXP Defined Color Black

The AK bars feature a 2-piece design and 100% heat treated butted chromoly construction

Compound Organic Heat Sink No Backing Plate Material Steel Pad Shape Number 37

10 to 36t gears are constructed with monoblock steel for high wear resistance and longevity

5 12 x 148mm 6-Bolt XDR Black

Portland Design Works Alexander Graham Bell CheckoutSpec= SRAM 3-Bolt Direct Mount 41 BB/Frame Interface BB121 BB/FramePortland Design Works Alexander Graham Bell. Built to replace a 10mm 1 1 8" headset spacer the Alexander Graham is a classy addition to your bicycle without sacrificing handlebar space. Theres nothing like the strong clear sound of a solid brass bell to announce your presence to all. Mounts under the stem replacing one 10mm 1 18 headset spacer TECH SPECS Mount Location Headset