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SpecificationSeries STX-RC 1997
Rear
Derailleur		Model No. RD-MC38 RD-MC36
Advanced Light Actionyesyes
IG Compatibilityyesyes
Speeds 8-speed7-speed
Max. Sprocket 32T30T
Min. Sprocket 11T11T
Front Difference20T max.20T max.
Total Capacity39T39T
Parallelogram Spring Adjusternono
Guide Pulley Pivotsintered steel bushing
Tension Pulley Pivot--sintered steel bushing
Pulley Bolts stainless steel
Hanger Bracketaluminum/polished
Hanger Bracket Pivot Boltstainless steel steel
Hanger Bracket Pivot Sealno
Pulley Cage Bracketaluminum/polished
Pulley Cage Pivot Boltsteel
Pulley Cage Pivot Sealno
Outer Link aluminum/polished
Inner Link steel
Link Pin BushingTeflon™ coating (2)
Outer Pulley Cagesteel/pearl bright plated steel/chromica® plated
Inner Pulley Cagesteel/black painted steel/black painted
Weight 288g293g
*Front
Derailleur		Model No. FD-MC36FD-MC36-EFD-MC33
Advanced Light Actionyesyesyes
Dual SIS yesyesyes
Top-swing Actionyesyesno
Differential Plate Mechanismnonono
Rear Compatibility8-speed8-speed7-speed
Top-low Max. Capacity20T20T22T
Top-middle Min. Capacity10T10T10T
Large Chainring42T42T42T
Cable Routing top & bottom route types available
Chain Stay Angle63 - 66°/66 - 69°
Mount Type Seat Tube Band Mount 28.0 - 28.6/31.8/34.9mm--28.0 - 28.6/31.8/34.9mm
Band Materialaluminum--aluminum
B.B. Mounting Plate --yes--
Plate Material--aluminum--
Outer Link aluminumaluminum
Inner Link aluminumaluminum
Link Pin Bush innerouter
Cable Anchor Nutstandard
Clamp Bolt & Cable Anchor Boltstainless steel
Adjustment Boltsstainless steel
Chain Cage steel/chromica steel/chromica
Weight 135g
V-Brake
Lever		Model No. BL-M600
For V-Brake Onlyyes
Power Adjuster3-step
Lightweight Leveryes
Reach Adjusteryes
Lever Pivot Bushinglow friction
Dust Cover no
Brake Cable CasingM-system
Brake Cable stainless steel (option)
Clamp Bolt stainless steel
Weight 175g
Rapidfire SL
Lever Set		Model No. ST-MC36SL-MC38
Shift Lever SpecsTypescombined shift & brake lever set shift lever set only
Advanced Light Action yesyes
Rear7-speed8-speed
Fronttripletriple
Optical Gear Display yesno
Removable OGD Module yesno
Shift Cable Casing sealed SIS-SP40
Shift Cablestainless steel (option)stainless steel (option)
Brake Lever SpecsFor V-Brake Only no--
Power Adjusterno--
Lightweight Lever yes--
Reach Adjusteryes--
Lever Pivot Bushing resin--
Dust Coverno--
Barke Cable Casing M-system--
Brake Cablestainless steel (option)--
Clamp Bolt stainless steelstainless steel
Weight (pair) 335g289g
V-Brake/
Cantilever
Brake		Model No. BR-M565-EBR-M600BR-MC33-E
V-Brake Systemnoyesno
M-System yesyesyes
Parallel Link nonono
Brake Pad TypesM-65TM-70T2M-65T
Arm Length M--M, L
Link Types dynamic Y-type--dynamic Y-type
Enclosed Pivot Sleevesyesyesno
Bushings hard brasshard brasssteel
Spring Tension Adjusteryesyesyes
Fixing Bolt stainless steelstainless steelstainless steel
Easy-access Cable Fixing Boltyesyesyes
Weight 370g404g366g
***CranksetModel No.FC-MC36
HyperDrive-Cyes
Dual SISyes
4-Arm Chainring no
Chainring Types IG chainring
Chain TypesIG chain
Number of Teeth 42-32-22T
Bolt Circle Diameter 94/58mm
Crank Arm Length 170/175mm
Crank Armsaluminum
Crank Boltsstainless steel
Outer Chainring aluminum
Middle Chainring steel
Inner Chainring steel
Chainring Bolts & Nuts stainless steel
Chainguardyes
Weight759g (170mm)
****Bottom
Bracket		Model No.BB-UN52 BB-UN52-E
Chain Line Stabilizer yesyes
MarkingMM107MM110LL113MM110LL113
Chain Line47.5mm47.5mm50.0mm47.5mm50.0mm
B.B. Shell Width 70/68mm73/70/68mm73/70/68mm68mm70/73mm
Spindle Length 107mm110.5mm113mm110.5mm113mm
Spindlechrome-moly steel chrome-moly steel
Adaptersteelsteel
Weight
Rear
Freehub		Model No.FH-MC38 FH-MC33
Sprockets8-speed7-speed
11T Small Sprocket yesyes
Roller Clutchnono
Parallax Design yesyes
Over Locknut135mm135/130mm
Axle Length146mm146/141mm
Axle Diameter & Material 10mm10mm steel
QR Leveraluminumaluminum
QR Housingaluminumaluminum
QR Nutaluminumaluminum
Stainless Steel Ball Bearingsnono
Cone RacesBorozon* Borozon*
Cup Racesbarrel polished barrel polished
Contact Sealing singlesingle
Spoke Holes36/32 holes36/32 holes
Spoke Hole Circle 45mm45mm
Sprocket carrier Ring nono
Hub Shellaluminum/anodized aluminum/anodized
Weight432g
Cassette
Sprocket		Model No.CS-HG60-8-I
Sprocket Carrier no
Number of Sprockets 8-speed HG
Group Identification an, ah
Sprocketsteel
Sprocket finish chromica plated
Chain Compatibility IG chain
11T Small Sprocket yes
Weight
ChainModel No.CN-IG51
TypeIG narrow chain
Inner Link Finish barrel polished
Outer Link Finish nickel plated
Link Pinschromized
Weight
Front HubModel No.HB-MC33
Parallax Design yes
Over Locknut100mm
Axle Length108mm
Axle Diameter & Material 9mm steel
QR Leveraluminum
QR Housingaluminum
QR Nutaluminum
Stainless Steel Ball Bearingsno
Cone RacesBorozon*
Cup Racesno
Contact Sealing single
Spoke Holes36/32 holes
Spoke Hole Circle 38mm
Hub Shellaluminum/anodized
Weight212g
HeadsetModel No.HP-MC30HP-MC31
Sealed Cartridge Bearings yesyes
ThreadBC1" x 24TPIBC1-1/8" x 24TPI
Stack Height37.6mm37.6mm
Locknutsteel w/resin seals
Lock Washerstainless steel
Upper Stem Cone steel
Upper Head Tube Cup steel
Lower Stem Cone steel
Cartridge Bearing Unit Sealingresin seals
Weight170g190g
SPD PedalModel No.PD-M323
SPD Cleat Surfaces one surface
Floating Cageno
Spindle Thread BC 9/16" x 20TPI
Spindlechrome-moly
Cartridge Bearing Spindle no
Cleat Retention Indicator yes
Cleat Retention Adjuster yes
Easy Step-in Feature no
Bodyaluminum
Binding Platesteel/chrome plated
Weight520g (pair)
Seat PostModel No.SP-M650
One-bolt Clamp yes
Easy Adjust Feature yes
Special Easton Tubing no
Outer Diameter 26.4/26.6/26.8/27.0/27.2mm
Length280/330/360**mm
Materialchrome moly steel
Weight325g (360mm)
Seat Quick
Release		Model No.SQ-M730
Position Hold Spring yes
Shaft Length36 - 43mm/26 - 33mm
Shaft Diameter 6mm/8mm
Material & Finish steel/chrome plated
Weight75g
Chain
Deflector		Model No.DF-M730
Materialplastic resin
Weight9g
* 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.