Shimano Dura-Ace 15t 1/8" Track Cog Black Size:15T • 8-Bit System Replacement Parts

• 8-Bit System Replacement Parts

stamped steel cogs held together with 123 high-

The Park Tool HCW-4 is a double-ended wrench that fits two common fittings found on adjustable cup-and-cone bottom brackets

unwrap and even reuse (and you won’t be plagued with the inevitable stickum residue that many tapes leave behind)

The design is inspired by the adults' Montaro Mips® / Montara Mips®

Shimano Dura-Ace 15t 1/8" Track Cog Black Size:15T • 8-Bit System Replacement PartsYou've got to have the right ratio for the track, and Shimano's Dura Ace cogs come in a range of tooth counts so you can always be prepared. Manufactured from durable chromoly steel, each cog is machined to run perfectly straight.