Wolf Tooth Components Semi-Internal IS52 Premium Upper& Lower Headset Black CheckoutTitle=DT Swiss 350 Front Hub - 15 x 100mm model Revelation (A1-4) 10-17 wheel

model Revelation (A1-4) 10-17 wheel size 27/29" travel 120mm

Height-adjustable traction pins feature 42 placement options per pedal

Includes a pre-installed half-link

DAT - Dynamic all-terrain compound providing excellent rolling efficiency while maintaining a high level of grip to minimize power transfer loss

For installation/removal of notched cup BBs

Wolf Tooth Components Semi-Internal IS52 Premium Upper& Lower Headset Black CheckoutTitle=DT Swiss 350 Front Hub - 15 x 100mm model Revelation (A1-4) 10-17 wheelPremium Wolf Tooth headset allows shift and brake housing to run internal below the stem Five layer weather sealing to keep internals clean include: Custom molded captive rubber seal at the cable entry ports, custom overmolded dual lip crown race seal interface with frame or EC44 cup, steer tube o ring seal, silicone dual lip bearing seals Enduro stainless bearings 7. 8mm upper stack Made in MN, USA Model Semi Internal Aero Headset S. H. I. S. IS52 40