Cannondale Synapse Carbon Owner's Manual Supplement

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1OWNER’S MANUAL SUPPLEMENT123394.PDF, August 082009 Synapse CarbonCutting the Seat PostDepending on the frame size of your Synapse Carbon, the seat postmay require cutting to a shorter length. This must be performed bya professional bike mechanic. The Synapse Carbon frame has seatpost depth in the seat tube that varies with the frame size. Smallframe sizes can accept between 110-130mm. Larger frame sizes canaccept between 110-150mm.8 NmSEAT BINDERSEAT POSTSEAT TUBE 80mmMINIMUMINSERTSADDLE HIEGHTMake a newpermanentmark here.80mm17 Nm(Saddle not shown)Use a 220 orlighter gritsandpaperto round thecut edge.SEAT POSTCUT ENDCUTTING GUIDEFigure 1.To maximize saddle height adjustment range as well as maintain thenecessary minimum insert depth of 80mm of any seat post, the seatpost must be fitted (cut) to the frame.To cut the seat post1. Insert an uncut post into the seat tube. Insert it until it stopsinside the frame. It should slide in easily. Do not force it into theseat tube. This is the maximum distance inside the seat tube thepost will insert.2. Determine the maximum desired adjustment range of thesaddle that maintains the required 80mm of seat post inside theseat tube. See Figure 1.3. Remove the excess section from the end of the seat post. Youshould use a cutting guide such as Park Tool SG-7 and a carbonspecific saw blade. See Figure 2. You should also lightly sand thecut post to round and smooth the cut.4. Re-mark the MINIMUM INSERT line 80mm up from the bottom ofthe cut seat post. Mark the seat post without scoring, scratchingor otherwise damaging the surface of the seat post. Use a thindecal (automotive pin striping) or a paint marker.8 NmSEAT BINDERSEAT POSTSEAT TUBE 80mmMINIMUMINSERTSADDLE HIEGHTMake a newpermanentmark here.80mm17 Nm(Saddle not shown)Use a 220 orlighter gritsandpaperto round thecut edge.SEAT POSTCUT ENDCUTTING GUIDEFigure 2.NOTE: U.S. Consumer Product Safety Commission (CPSC) bicycleregulations require minimum seat post insertion be marked on theseat post.WARNINGIf the seat post requires cutting, have it done by a professionalbike mechanic with experience cutting high-performance carboncomponents.YOU CAN BE SEVERELY INJURED, PARALYZED OR KILLED IFYOUR IGNORE THIS WARNING.More Information on Carbon Seat PostsFor more information about carbon fiber seat posts, see also“APPENDIX D. Care and Maintenance of Carbon Fiber Seat Posts” inyour Cannondale Bicycle Owner’s Manual.

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