MISSION AMERICAN BB HOP UP KIT fly-bikes they yield better shock absorption

they yield better shock absorption than the Box One Aluminum or Box One Chromoly Cogs

S (Street) Tread: Low Profile Street/Park Tread

This piece will protect your spokes and hub shell from grind abuse

Each pair includes two sets of medium (6mm) and tall (8mm) pins allowing you to customize the level of grip

Available in anodized colors

MISSION AMERICAN BB HOP UP KIT fly-bikes they yield better shock absorptionMISSION AMERICAN BB HOP UP KIT PRODUCT RUNDOWN Includes two precision sealed bearings, aluminum cups, high density plastic cone spacers, center tube spacer, sprocket adapter, adjustment washers, 19mm 8 spline spindle, and spindle bolts. PRODUCT SPECIFICATIONS TYPE: American BEARINGS: 2 x Sealed Bearings INCLUDES: BB Kit and Spindle WEIGHT: 21. 5oz