Sort By: Hollowgram Si Forged Crank Arm Set. CANNONDALE crank arm Hollowgram SiSL2 | Left The Hollowgram SiSL2 crank arm is an extremely light, two-piece construction that is elaborately milled from 2000 aluminum CNC and then glued into a simple work of art. Here are some more details: In 2008. Home › Exploded Diagrams › Hollowgram SL Road Crankset. 13 years ago, the original Cannondale HollowGram crank started the BB30 revolution and set a new standard for ultra-light, super-stiff cranks. Cannondale spindle for Hollowgram SiSL2, Hollowgram Si, and Cannondale Si crank arms on Cannondale Fat CAAD fat bike frames. 0 Comments. ... Cannondale Hollowgram SL Crank Arm, KP020: KP021: Cannondale Hollowgram SL Lockring, KP021, Black: ... Cannondale SI Plastic Shim for Bottom Bracket Spacing, QC617: Only 11 left in stock - order soon. Park Tool CCP-44C ISIS/Octalink Crank Puller 4.7 out of 5 stars 435. It offers the maximum feasible ratio of high rigidity and lowest weight. Remove the crank bolt with a 10mm hex wrench. HollowGram SiSL2 with OPI SpiderRing: The evolution of the revolution. $299.99 $199.99. Hollowgram Si Forged Single Arm - Drive Side. Interchangeable fit and configuration with Cannondale Si and Hollowgram SiSL2 crank arms. This is a significant upgrade from the Cannondale Si solid forged arm in weight savings and stiffness. The Hollowgram Si comes on a variety of mountain and road bikes in the $3000 to $7000 price range. The new Gen 3 single-sided Stages Power L meter for Cannondale Si Stages Power meter is built on to a non-drive-side Cannondale Si crank arm and is compatible with existing Cannondale Hollowgram Si crank models - 2014 or newer and Hollowgram SiSL2 cranks. Cannondale Hollowgram SL Road Crankset Parts List and Exploded Diagram. Thread the smaller inner piece into the bottom bracket spindle threads using an 8mm hex wrench. The most current evolution of the HollowGram, the SiSL2 continues this tradition of radical innovation. Cannondale SI crank arm extraction tools (supplied with bike) 15mm open-ended wrench Punch or drift tool Torque wrench PREPARATION OF THE FRAME CAUTION: Do not ream, mill, or “face” the frame’s bottom bracket shell! Removing Hollowgram arms of all generations (as of model year 2017) are removed with the KT013 crank puller. Kit includes spindle, two rubberized bearing shields, one wave washer, one 2.5mm spacer, one 7.5mm spacer, and one 0.5mm shim. How to remove a Cannondale Hollowgram crank arm. $599.99 $379.99. You will damage the frame and possibly render it unusable for the SI crank! Cannondale Hollowgram SI SL BB30 MTB Crank Arms 104 BCD 170mm Crankset PF30 You probably know that these are some of the nicest cranks in existence. $41.20. The patented OPI 3D forging process enables Cannondale to build hollow, seamless crankarms that are not only extremely light but also incredibly strong and stiff. 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