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Gary Fisher Cronos - page 1
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Gary Fisher Cronos - page 2
2 | GARY FISHER SERVICE INF ORMA TION Servic e Inf ormation The Gary Fisher Cronus is the lightest, strongest f rameset we have ever made. T o accomplish this, we have used shaped and ver y thin-walled carbon tubes . Because of its unique f eatures, the Gar y Fisher Cronus requires dif f erent or additional assembl ...
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Gary Fisher Cronos - page 3
3 | GARY FISHER SERVICE INF ORMA TION W orking with Carbon Fiber Parts ....................................................................................................................1 Cutting a carbon ber steerer ........................................................................... ...
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Gary Fisher Cronos - page 4
4 | GARY FISHER SERVICE INF ORMA TION W orking with Carbon Fiber Par ts Carbon ber parts are dif f erent from metal parts , so they require dif f erent treatment. K eep carbon away f rom sharp edges or ex cessive pressure Carbon ber composite can be damaged by sharp edges or clamping mechanisms which cause a point load, or a high pressure are ...
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Gary Fisher Cronos - page 5
5 | GARY FISHER SERVICE INF ORMA TION Cutting a c arbon ber steerer These instructions explain the best pr actices for cutting a carbon ber steer er tube. ? ...
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Gary Fisher Cronos - page 6
6 | GARY FISHER SERVICE INF ORMA TION 1. Clamp the saw guide securely in the bench vise. 2. Clamp the steerer in the saw guide. + Be caref ul not to crush the steerer; do not overtighten. 3. Using only light pressure on the saw blade, cut about halfw ay through the steerer (Figure 1). + Be car ...
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Gary Fisher Cronos - page 7
7 | GARY FISHER SERVICE INF ORMA TION Headset Installation The headset of the Cronus uses a 1.5” lower bearing and 1 1/8 ” upper bearing (Figure 5). The bearings are slip-t into the f rame. There are many benets to this design, and one is that the Cronus headset is a tool-less installation. The bearings are slip t, so a headset press o ...
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Gary Fisher Cronos - page 8
8 | GARY FISHER SERVICE INF ORMA TION T o install the bearings 1. Apply a light coat of grease to the inner race of the lower bearing. 2. Install the bearing on the steerer (Figure 6). + The bearing is symmetrical, so either side is “right-side up . ” 3. Apply a liberal coat of grease to the bearing seats of the head tube, both top and bottom ( ...
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Gary Fisher Cronos - page 9
9 | GARY FISHER SERVICE INF ORMA TION T o install the shims, bearing cover , and spacers Fisher installs three 1mm shims between the centering washer and the bearing cover to ensure an adequate space between the bearing cover and the t op of the head tube. There should be at least 0.5 millimeter space to pre vent contact or inter f erence. 1. Slide ...
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Gary Fisher Cronos - page 10
10 | GARY FISHER SERVICE INF ORMA TION F ender Installation This section explains how to install f ront and rear f enders on a Cronus using the accessory dropout adapters and custom brake attachment nuts . Each dropout adapt er , or “eyelet, ” is a special screw with an eyelet. The brake attachment nut includes a bolt that threads into the nut. ...
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Gary Fisher Cronos - page 11
11 | GARY FISHER SERVICE INF ORMA TION Finishing the installation 1. Attach the f oot of the rear f ender . If the f ender has a clip instead of a hole, remove the clip f astener with a drill. If necessary , use the drill to enlarge the empty hole. 2. Place a screw through the hole in the f oot of the f ender and thread it into the f rame (Figure 1 ...
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Gary Fisher Cronos - page 12
12 | GARY FISHER SERVICE INF ORMA TION FC C Steering S ystem The Cronus uses the FCC (Fisher Control Column) with a special f ront hub that is mated to the f ront f ork. This mating creates a unied structure that is extra strong and extra stiff , which makes the bicycle corner and handle better . The result is a hub/f ork inter f ace that is 25% ...
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Gary Fisher Cronos - page 13
13 | GARY FISHER SERVICE INF ORMA TION Crank set Installation These instructions explain how to install a SRAM/T ruVativ/Bontrager GXP crankset (Figure 20) in a new Cronus. T o complete the installation, you will also need the SRAM instructions, available at: http:/ /www .sram.com/_media/techdocs/2005_gxp-05-r5-e .pdf T ool ...
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Gary Fisher Cronos - page 14
14 | GARY FISHER SERVICE INFORMA TION T o install the bearings 1. Apply a liberal coat of grease to the contact surf aces of one bearing and the drive side of the bottom bracket shell (Figure 21). 2. Slide a bearing onto the installation tool. + Either side of the drive-side bearing is the “right side. ” The non-drive bearing on GXP systems has ...
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Gary Fisher Cronos - page 15
15 | GARY FISHER SERVICE INF ORMA TION 3. Install the wave washer and with the grease f acing up, slide the bearing seal onto the axle (Figure 25). 4 . Apply a light coat of grease to the bearing contact area of the axle (Figure 26). + The grease areas should be about 1 inch (25 mm) wide. On the drive side, start at the bearing seal. On the non-dri ...
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Gary Fisher Cronos - page 16
16 | GARY FISHER SERVICE INF ORMA TION These instructions explain how to install a Shimano HollowT ech (Figure 29) in a new Cronus. T o complete the installation, you will also need the Shimano instructions, av ailable at: http:/ /techdocs.shimano.com/ media/techdocs/ content/ cycle/SI/Dura-Ac ...
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Gary Fisher Cronos - page 17
17 | GARY FISHER SERVICE INF ORMA TION T o install the bearings 1. Apply a liberal coat of grease to the contact surf aces of one bearing and the drive side of the bottom bracket shell (Figure 30). 2. Slide a bearing onto the installation tool. + Either side of the bearing is the “right side. ” 3. Press one bearing into the drive side of the bo ...
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Gary Fisher Cronos - page 18
18 | GARY FISHER SERVICE INF ORMA TION T o install the drive-side crankarm When handling the seals, avoid bending them. A bent seal will rub on the bearing, creating drag. 1. Apply a light coat of grease to the bearings on the f ace and the axle contact sur f ace. 2. Apply a light coat of grease to the metal inside of one bearing seal (Figure 32). ...
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Gary Fisher Cronos - page 19
19 | GARY FISHER SERVICE INF ORMA TION T o install the non-drive side crankarm 1. Apply a light coat of grease to the inside of the other bearing seal. 2. With the grease side toward the bearing, slide the bearing seal onto the axle (Figure 36). 3. Align the non-drive crank arm with the groove on the axle and slide the crank onto the axle. + The no ...
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Gary Fisher Cronos - page 20
20 | GARY FISHER SERVICE INF ORMA TION The Cronus uses a special bearing system that has no parts that thread int o the f rame. Instead, the bearings are a slip-t into the f rame. Howe ver , the C ampagnolo UltraT orque system requires you to attach bearing support s (seal seats ...
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Gary Fisher Cronos - page 21
21 | GARY FISHER SERVICE INF ORMA TION T o install the seal seats 1. Clean all sur f aces to be bonded (bott om bracket shell, seal seats) with alcohol wipes or similar (Figure 39). 2. Apply a thin lm of LocTit e Primer to the outer step of the bearings cups and the outer shoulder of the bottom bracket shell (Figure 40). Allow the primer to e va ...
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Gary Fisher Cronos - page 22
22 | GARY FISHER SERVICE INF ORMA TION 3. Insert the W ave washer into the non-drive side seal seat (Figure 4 ...
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Gary Fisher Cronos - page 23
23 | GARY FISHER SERVICE INF ORMA TION These instructions and parts are f or the aluminum FSA cranks only . The current “B” kit will not work f or FSA carbon cranks. The Cronus uses a special bearing system that has no parts that thread int o the f rame. Instead, the bearings are a slip-t into the ...
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Gary Fisher Cronos - page 24
24 | GARY FISHER SERVICE INF ORMA TION T o install the bearings 1. Apply a liberal coat of grease to the contact surf aces of one bearing and the drive side of the bottom bracket shell (Figure 48). 2. With the plastic bearing shield f acing out, pres s one bearing into the drive side of the bottom bracket shell (Figure 49). 3. Repeat Steps 1-2 f or ...
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Gary Fisher Cronos - page 25
25 | GARY FISHER SERVICE INF ORMA TION T o install the non-drive side crankarm 1. Align the non-drive crank arm with the groove on the axle and slide the crank onto the axle. + The non-drive crank arm should point 180 degrees opposite of the drive-side crank arm. 2. Install the FSA crank bolt and tighten t o their torque specications (Figure 52) ...
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Gary Fisher Cronos - page 26
26 | GARY FISHER SERVICE INF ORMA TION Cronus Crank set T roubleshooting This section describes problems that occasionally occur , and possible solutions. If these solutions do not solve a problem, contact Customer Ser vice. ...
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Gary Fisher Cronos - page 27
27 | GARY FISHER SERVICE INF ORMA TION If you notice that the cr ank arms rotate poorly , there are se veral possible issues. Cause Solution Out of spec or bent non-drive metal seal + The inside chamf er of the metal se ...
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