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| Inicio >>> Mecánica >>> Manuales y Especificaciones >>> Especificaciones Shimano Ceore XT 1997 | ||||||
| Specification | Series | DEORE XT 1997 | ||||
| Rear Derailleur | Model No. | RD-M739-GS | RD-M739-SGS | |||
| Advanced Light Action | yes | yes | ||||
| IG Compatibility | no | no | ||||
| Speeds | 8-speed | 8-speed | ||||
| Max. Sprocket | 32T | 32T | ||||
| Min. Sprocket | 11T | 11T | ||||
| Front Difference | 22T max. | 20T max. | ||||
| Total Capacity | 33T | 39T | ||||
| Parallelogram Spring Adjuster | no | no | ||||
| Guide Pulley Pivot | sealed ceramic bushing | |||||
| Tension Pulley Pivot | sintered aluminum bushing | |||||
| Pulley Bolts | stainless steel | |||||
| Hanger Bracket | aluminum/polished & clear coated | |||||
| Hanger Bracket Pivot Bolt | steel | |||||
| Hanger Bracket Pivot Seal | double O-rings | |||||
| Pulley Cage Bracket | aluminum/polished & clear coated | |||||
| Pulley Cage Pivot Bolt | steel | |||||
| Pulley Cage Pivot Seal | double O-rings | |||||
| Outer Link | aluminum/painted | |||||
| Inner Link | aluminum/painted | |||||
| Link Pin Bushing | Teflon™ coating (4) | |||||
| Outer Pulley Cage | aluminum/anodized | aluminum/anodized | ||||
| Inner Pulley Cage | aluminum/anodized | steel/chrome plated | ||||
| Weight | 225g | 250g | ||||
| *Front Derailleur | Model No. | FD-M739 | FD-M739-E | FD-M738 | ||
| Advanced Light Action | yes | yes | yes | |||
| Dual SIS | yes | yes | yes | |||
| Top-swing Action | yes | yes | no | |||
| Differential Plate Mechanism | no | no | no | |||
| Rear Compatibility | 8-speed | 8-speed | 8-speed | |||
| Top-low Max. Capacity | 22T | 22T | 22T | |||
| Top-middle Min. Capacity | 10T | 10T | 10T | |||
| Large Chainring | 42/44T | 42/44T | 42/44T | |||
| Cable Routing | top & bottom route types available | |||||
| Chain Stay Angle | 66 - 69° | |||||
| Mount Type | Seat TubeBand Mount | 28.0 - 28.6/31.8/34.9mm | -- | 28.0 - 28.6/31.8/34.9mm | ||
| Band Material | aluminum | -- | aluminum | |||
| B.B. Mounting Plate | -- | yes | -- | |||
| Plate Material | -- | aluminum | -- | |||
| Outer Link | aluminum | |||||
| Inner Link | aluminum | |||||
| Link Pin Bush | outer & inner | |||||
| Cable Anchor Nut | insert helicoil | |||||
| Clamp Bolt & Cable Anchor Bolt | stainless steel | |||||
| Adjustment Bolts | stainless steel | |||||
| Chain Cage | steel/chrome plated | steel/chrome plated | ||||
| Weight | 128g | 140g | ||||
| V-Brake Lever | Model No. | BL-M739 | ||||
| For V-Brake Only | yes | |||||
| Power Adjuster | 3-step | |||||
| Lightweight Lever | yes | |||||
| Reach Adjuster | yes | |||||
| Lever Pivot Bushing | low friction | |||||
| Dust Cover | no | |||||
| Brake Cable Casing | M-system | |||||
| Brake Cable | stainless steel (option) | |||||
| Clamp Bolt | stainless steel | |||||
| Weight | 159g (pair) | |||||
| Rapidfire SL Lever Set | Model No. | ST-M739 | SL-M739 | ST-M738 | ||
| Shift Lever Specs | Types | combined shift & brake lever set | shift lever set only | combined shift & brake lever set | ||
| Advanced Light Action | yes | yes | yes | |||
| Rear | 8-speed | 8-speed | 8-speed | |||
| Front | triple | triple | triple | |||
| Optical Gear Display | yes | no | yes | |||
| Removable OGD Module | yes | no | yes | |||
| Shift Cable Casing | sealed SIS-SP40 | |||||
| Shift Cable | stainless steel | |||||
| Brake Lever Specs | For V-Brake Only | yes | -- | no | ||
| Power Adjuster | 3-step | -- | no | |||
| Lightweight Lever | yes | -- | yes | |||
| Reach Adjuster | yes | -- | yes | |||
| Lever Pivot Bushing | low friction | -- | low friction | |||
| Dust Cover | no | -- | no | |||
| Barke Cable Casing | M-system | -- | M-system | |||
| Brake Cable | stainless steel (option) | -- | stainless steel (option) | |||
| Clamp Bolt | stainless steel | stainless steel | stainless steel | |||
| Weight (pair) | 358g | 238g | 398g | |||
| V-Brake/ Cantilever Brake | Model No. | BR-M739 | BR-M737 | |||
| V-Brake System | yes | no | ||||
| M-System | yes | yes | ||||
| Parallel Link | yes | no | ||||
| Brake Pad Types | M-70R2 | M-70R | ||||
| Arm Length | -- | M | ||||
| Link Types | -- | dynamic Y-type | ||||
| Enclosed Pivot Sleeves | yes | yes | ||||
| Bushings | hard brass | hard brass | ||||
| Spring Tension Adjuster | yes | yes | ||||
| Fixing Bolt | stainless steel | stainless steel | ||||
| Easy-access Cable Fixing Bolt | yes | yes | ||||
| Weight | 383g | 364g | ||||
| ***Crankset | Model No. | FC-M739 | FC-M739-5arm | FC-M737-I | ||
| HyperDrive-C | yes | yes | yes | |||
| Dual SIS | yes | yes | yes | |||
| 4-Arm Chainring | yes | no | no | |||
| Chainring Types | IG chainring | IG chainring | IG chainring | |||
| Chain Types | IG chain | IG chain | IG chain | |||
| Number of Teeth | 44/42-32-22T | 44/42-32-22T | 42-32-22T | |||
| Bolt Circle Diameter | 104/64mm | 94/58mm | 94/58mm | |||
| Crank Arm Length | 165/167.5/170/172.5/ 175/177.5/180mm | 165/167.5/170/172.5/175/177.5/180mm | ||||
| Crank Arms | aluminum | semi-forged aluminum | ||||
| Crank Bolts | stainless steel | chromemoly steel | ||||
| Outer Chainring | aluminum | aluminum | 7075 aluminum | |||
| Middle Chainring | aluminum | aluminum | 7075 aluminum | |||
| Inner Chainring | aluminum | steel | steel | |||
| Chainring Bolts & Nuts | 7075 aluminum | stainless steel | stainless steel | |||
| Chainguard | no(44T) yes(42T) | yes | yes | |||
| Weight | 682g (175mm) | 694g (175mm) | ||||
| ****Bottom Bracket | Model No. | BB-UN72 | BB-UN72-E | |||
| Chain Line Stabilizer | yes | yes | ||||
| Marking | MM107 | LL113 | MM110 | LL113 | ||
| Chain Line | 47.5mm | 50.0mm | 47.5mm | 50.0mm | ||
| B.B. Shell Width | 73/70/68mm | 73/70/68mm | 68mm | 73mm | ||
| Spindle Length | 107mm | 113mm | 110.5mm | 113mm | ||
| Spindle | chrome-moly steel/hollow type | chrome-moly steel/hollow type | ||||
| Adapter | aluminum | aluminum | ||||
| Weight | 242g | |||||
| Rear Freehub | Model No. | FH-M737 | ||||
| Sprockets | 8-speed | |||||
| 11T Small Sprocket | yes | |||||
| Roller Clutch | no | |||||
| Parallax Design | yes | |||||
| Over Locknut | 135mm | |||||
| Axle Length | 146mm | |||||
| Axle Diameter & Material | 10mm steel | |||||
| QR Lever | aluminum | |||||
| QR Housing | aluminum | |||||
| QR Nut | aluminum | |||||
| Stainless Steel Ball Bearings | no | |||||
| Cone Races | Borozon* | |||||
| Cup Races | polished | |||||
| Contact Sealing | double | |||||
| Spoke Holes | 36/32 holes | |||||
| Spoke Hole Circle | 45mm | |||||
| Sprocket carrier Ring | aluminum | |||||
| Hub Shell | aluminum/anodized | |||||
| Weight | 452g | |||||
| Cassette Sprocket | Model No. | CS-M737-I | ||||
| Sprocket Carrier | aluminum | |||||
| Number of Sprockets | 8-speed HG | |||||
| Group Identification | R, ak | |||||
| Sprocket | steel | |||||
| Sprocket finish | chrome plated | |||||
| Chain Compatibility | IG chain | |||||
| 11T Small Sprocket | yes | |||||
| Weight | 256g (R-group) | |||||
| Chain | Model No. | CN-IG90 | ||||
| Type | IG narrow type | |||||
| Inner Link Finish | nickel plated | |||||
| Outer Link Finish | nickel plated | |||||
| Link Pins | chromized/polished pin end | |||||
| Weight | 314g (114) | |||||
| Front Hub | Model No. | HB-M738 | HB-M737 | |||
| Parallax Design | yes | yes | ||||
| Over Locknut | 100mm | 100mm | ||||
| Axle Length | 108mm | 108mm | ||||
| Axle Diameter & Material | 11mm aluminum | 9mm steel | ||||
| QR Lever | aluminum | aluminum | ||||
| QR Housing | aluminum | aluminum | ||||
| QR Nut | aluminum | aluminum | ||||
| Stainless Steel Ball Bearings | yes | no | ||||
| Cone Races | Borozon* | |||||
| Cup Races | polished | |||||
| Contact Sealing | double | |||||
| Spoke Holes | 36/32 holes | |||||
| Spoke Hole Circle | 38mm | |||||
| Hub Shell | aluminum/anodized | |||||
| Weight | 206g | 202g | ||||
| Headset | Model No. | HP-M740 | HP-M741 | HP-M742 | ||
| Sealed Cartridge Bearings | yes | yes | yes | |||
| Thread | BC1" x 24TPI | BC1-1/8" x 24TPI | BC1-1/8" x 24TPI | |||
| Stack Height | 37.6mm | 37.6mm | 39.9mm | |||
| Locknut | aluminum w/rubber seals | |||||
| Lock Washer | stainless steel | |||||
| Upper Stem Cone | aluminum | |||||
| Upper Head Tube Cup | aluminum | |||||
| Lower Stem Cone | aluminum | |||||
| Cartridge Bearing Unit Sealing | rubber seals | |||||
| Weight | 116g | 127g | 143g | |||
| SPD Pedal | Model No. | PD-M747 | PD-M636 | |||
| SPD Cleat Surfaces | both pedal surfaces | both pedal surfaces | ||||
| Floating Cage | no | yes | ||||
| Spindle Thread | BC 9/16" x 20TPI | BC 9/16" x 20TPI | ||||
| Spindle | chrome-moly | chromemoly | ||||
| Cartridge Bearing Spindle | yes | no | ||||
| Cleat Retention Indicator | yes | yes | ||||
| Cleat Retention Adjuster | yes | yes | ||||
| Easy Step-in Feature | yes | yes | ||||
| Body | aluminum | aluminum | ||||
| Binding Plate | steel/chrome plated | steel/chrome plated | ||||
| Weight | 393g (pair) | 640g (pair) | ||||
| Seat Post | Model No. | SP-M730 | ||||
| One-bolt Clamp | yes | |||||
| Easy Adjust Feature | yes | |||||
| Special Easton Tubing | no | |||||
| Outer Diameter | 26.4/26.6/26.8/27.0/27.2mm | |||||
| Length | 280/330/360**mm | |||||
| Material | chrome moly steel | |||||
| Weight | 296g (330mm) | |||||
| Seat Quick Release | Model No. | SQ-M730 | ||||
| Position Hold Spring | yes | |||||
| Shaft Length | 36 - 43mm/26 - 33mm | |||||
| Shaft Diameter | 6mm/8mm | |||||
| Material & Finish | steel/chrome plated | |||||
| Weight | 75g | |||||
| Chain Deflector | Model No. | DF-M730 | ||||
| Material | plastic resin | |||||
| Weight | 9g | |||||
* Front derailleur chain stay angle is marked on the back of the chain guide. Component specifications are marked on the box. model no. FD-M739-DS6 cable routing (D=down, T=top) clamp band size (S=small, M=medium, L=large) chain stay angle (6=66-69º, 3=63-66º) ** The E-type front derailleur mounts to the bottom bracket through a support plate and also requires a special boss or clamp adapter on the seat tube. *** FC-M950-HG crankset with conventional 5-arm spider is also available. **** E-type bottom bracket is for use with bottom bracket mount front derailleurs. * The Borozon polishing process provides an ultla-smooth and precise bearing race surface. ** 360mm length is available in 27.2mm diameter only. | ||||||
