Ultra low rolling resistance acheived through a smooth central tread
Designed with the help of pro riders
SPROCKET: Salt 'Gateway' Sprocket
made from heat-treated spring steel
REAR HUB: 28h Alloy Cassette Hub with Disc - 16T Cog
Park Tool THH-1 Sliding T-Handle Hex Wrench Set Props Ultra low rolling resistance acheivedDesigned and built specifically for a wide variety of bicycle hex work the THH 1 is a set of eight common sizes of professional quality T Handle hex wrenches built for speed, efficiency, leverage and a perfect fit. Soon to become your favorite hex set, the THH 1 includes a handy tool holder that mounts to any vertical surface, including pegboard and solid surfaces (fasteners not included). 2, 2. 5, 3, 4, 5, 6, 8 and 10mm hex wrenches included.