Thomson Steerer Shim (1" to 1-1/8") R1 While the Hellbender currently comes

While the Hellbender currently comes standard in the SlamSet headset

It’s an all-new derailleur that’s specifically designed and optimized to be motor-driven instead of cable-actuated

quieter and more precise shifting thanks to the special tooth design and surface treatment which guarantees a longer life span

our formula is also an essential companion for triathletes

No detail has been overlooked

Thomson Steerer Shim (1" to 1-1/8") R1 While the Hellbender currently comesThis steerer shim from Thomson allow you to run a 1 1 8" X2 or X4 Thomson stem on a 1" threadless fork. Specifications Fits 1" steerer clamp (standard) 37mm height 28. 6mm 25. 4mm steerer shim Mfr Claimed Weight 13g