Cannondale Hollowgram Si BB30 Crank Arm 172.5mm Left - KP305/172L Safety 5" (15cm x 6cm)

5" (15cm x 6cm)

Gary Fisher: Cronus CX Pro - 2012 / Cronus CX Ultimate - 2012 / Cronus CX Ultimate Frameset - 2012 / Ion CX - 2012 / Ion CX Pro - 2012 / Ion CX Pro Frameset - 2012

Manufacturer Part Number: 570U29K5

Manufacturer Part Number: HD01109-03K

UPC: 821973340029

Cannondale Hollowgram Si BB30 Crank Arm 172.5mm Left - KP305/172L Safety 5" (15cm x 6cm)Original Cannondale Hollowgram Si single crank arm. Cannondale's BB30 innovation many years ago continues today to create some of the lightest, stiffest, strongest, and most versatile cranksets on the market. The Hollowgram Si comes on a variety of mountain and road bikes in the $3000 to $7000 price range. This is a significant upgrade from the Cannondale Si solid forged arm in weight savings and stiffness. Interchangeable fit and configuration with