HyperGlide chainrings
CNC-cut and drilled chainrings to reduce weight, not stiffness.
Nickel-plated finish resists corrosion
Corrosion-resistant steel clamp ring
For 10-speed HG road chains.
Les 3 plus gros pignons sont montés sur un croisillon en aluminium
Nickel-plated finish
Contre-écrou en acier
The 12-25, 11-28 and 11-30 cassettes are compatible with SS rear derailleurs
11-32 cassettes require a GS rear derailleur * Weight: from 269g (12-25) to 320g (11-32)
9-speed cassette
CARACTÉRISTIQUES DU PRODUIT
Technologie : PowerGlide II
Recommended chains: PC-991, PC-971, PC-951
Locknut material and finish: Hardened steel
Sprocket material and finish: Chrome-plated