RockyMounts Hooligan Key Chain Lock MFPN=BALL-7B The KMC S1 is a

The KMC S1 is a single-speed chain suitable for use with internally geared hubs or any single speed drivetrain

The CARBONFUSED® cuff and chassis matched with the Fischer Speed Lock quick lacing system ensure reduced weight

The 702 mold distributes pressure over a longer contact zone in tips and tails

Get smart fueling alerts that prompt you in-ride to hydrate and refuel based on your current fitness

the SPEED Air is the ticket

RockyMounts Hooligan Key Chain Lock MFPN=BALL-7B The KMC S1 is aHardened chain with coating to prevent rust 3 keys included Weighs 2 lb 12 oz Model Hooligan LengthXDiameter (mm) 1016x7 Lock Type Key Color Black