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Description

ZEN144The world famous chainring used by Olympic and World Championship medalists. Stiffer than any other track chainring, and most reliable, smooth, straight chainring. P. C. D. : 144mm Chain Size : 1 2"x1 8" Chainring size : 44T, 45T, 46T, 47T, 48T, 49T, 50T, 51T, 52T, 53T, 54T, 55T, 56T, 57T, 58T, 59T, 60T, 61T, 62T, 63T, 64T, 65T, 66T, 67T, 68T, 69T, 70T (*67 70T Made to Order) Color : Silver* Black (*56T70T = Matt Silver ) *50% off on 44T & 45T The

Blue or Red with CNC machined silver teeth

The first time you take the cap off

*Adding a spacer will move the chainline outward by 0

anodized in Silver

Thread-in BB converter to install a 24mm axle (OX seriesand Shimano hollowtechⅡ) to BB386EVO frames

Tool : Hexagon wrench (8mm)

Size : 3 ml

Set includes 2 bearings

also great for single-ring use

Highest quality track racing crank Sugino 75 and Classic style chainring SSG144 for professional riders

☑The special design contributes to rigidity and efficient power transmission

Bearing : Ceramic (Black) / Steel (Silver)