background image

8.

SHIFTING PRECAUTIONS / CHAIN LENGTH

The chain on a Jekyll must be kept long enough to prevent damage to the
rear derailleur when the rear shock is at its most forward position and the
rear suspension compresses to its full travel with the chain on the large
chainring and one of the larger rear cogs. See Fig. 3 for the correct shock
position in which to set the chain length. Remember that on any bicycle,
the gearing combinations of the smallest front chainring / smallest rear
cog, and the largest chainring / largest rear cog should never be used.
These gear combinations (called “cross chaining”) place undue stress on
the chain, chainrings, derailleurs, and rear cogs. Duplicate or similar gear
ratios can be achieved in other combinations using the middle chainring. 

CABLE ROUTING

The cables on the Jekyll must be routed correctly to ensure proper oper-
ation of the derailleurs and brakes, and to prevent the cable housing from
being pinched when the rear suspension is compressed. Also, be sure to
use lengths of cable housing which will not impede steering control and
will not contact wheels or tires. Based upon the type of swingarm on the
Jekyll you have purchased, see the appropriate section below for cable
installation instructions.

Fig.3 

Note Threads

Summary of Contents for Jekyll

Page 1: ...not receive both the Cannondale Bicycle Owner s Manual and the HeadShok owner s manual please download and print one from the Cannondale website Tech Center or call our customer service line at 1 800...

Page 2: ...e the shock is positioned in the collar Some Jekyll models use Fox rear shocks equipped with compression adjusters which can be used to stiffen the rear suspension for a more race oriented ride COMPON...

Page 3: ...hok headset cups only FRONT DERAILLEUR All Jekylls require a standard bottom pull type front derailleur with a 31 8mm clamp diameter Because the front derailleur mounts to the rear swingarm and has a...

Page 4: ...from chain slap ALTERNATIVE BRAKES Hydraulic and disc brakes are a popular upgrade on many suspension bicycles When selecting a hydraulic brake system for your Jekyll choose one that mounts to the fr...

Page 5: ...hex wrench Once the bolt is removed pivot the swingarm down and the rear of the shock up so that the two don t touch 3 Spin the shock body clockwise when viewed from the front of the bike within the p...

Page 6: ...ost aft position adjust the front derailleur so that the derailleur cage is approximately 1mm above the large chainring when there is no weight on the bike see Fig 2 The rear end of the derailleur cag...

Page 7: ...7 1mm Fig 1 Fig 2 Note Threads...

Page 8: ...should never be used These gear combinations called cross chaining place undue stress on the chain chainrings derailleurs and rear cogs Duplicate or similar gear ratios can be achieved in other combin...

Page 9: ...tside of the Lefty leg and behind to the disc brake See Fig 4 Note that the zip tie loops need to be loose enough to allow the hydraulic brake line to slide freely up and down If equipped with a Fatty...

Page 10: ...DERAILLEUR Run cable housing from the front shifter to the housing stop on the right side of the downtube Run exposed cable to the housing stop a the lower end of the downtube Run cable housing appro...

Page 11: ...the outside of the Lefty leg and behind to the disc brake See Fig 4 If equipped with a Fatty Ultra or Super Fatty fork the tubing from the front brake lever should be directed behind the shock boot an...

Page 12: ...towards the front derailleur REAR DERAILLEUR Run cable housing from the rear shifter to the lower slot in the double housing stop on the left side of the downtube Insert the included plastic cable sto...

Page 13: ...a 27 2mm diameter seatpost and be sure that the seatpost is held securely by the seatpost collar The seatpost collar clamp bolt must be torqued to 70 80 In Lbs 8 9 Nm Failure to properly torque the c...

Page 14: ...e seat It may be easiest for the rider to lean against a wall or post It is important that the rider not bounce the bike Then have the rider carefully dismount the bike again being careful not to boun...

Page 15: ...te the different ride characteristics You may want to change your rebound setting for different riding conditions COMPRESSION DAMPING ADJUSTER Fox FLOAT RC rear shocks also have a compression adjuster...

Page 16: ...l for more details All other components including HeadShok forks suspension parts frame fixtures and finishes paint and decals are warrantied against manufacturing defects in materials and or workmans...

Reviews: