Difference between revisions of "Spoke Length Notes"

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(Rims)
(Hubs)
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==Hubs==
 
==Hubs==
 +
===Shimano XTR===
 +
====Rear FH-M975====
 +
*Hole PCD (mm) - Left 44/Right 45
 +
*Dish - 6.6mm
 +
*Flange distance - Official -le. 35.3mm, ri. 22.1mm (on center -le. 33.65mm, ri. 20.45mm)
 +
*Ø of spoke hole - 2.6mm
 +
====Front HB-M975====
 +
*Hole PCD (mm) - Left 44/Right 40
 +
*Dish - 5.4mm
 +
*Flange distance - (on center -le. 23mm, ri. 34mm)
 +
*Ø of spoke hole - 2.6mm
 +
 
===Shimano XT FH-M775===
 
===Shimano XT FH-M775===
 
====Rear====
 
====Rear====

Revision as of 15:31, 21 January 2008

Measuring Hubs

Shimano specifies hub flange offsets from the dropout face to the outside of the flange. Some calculations specify the center of the flange. Some specify the inside of the flange. This will change your results.

http://www.geocities.com/spokeanwheel/measure.htm#hf

http://www.damonrinard.com/spocalc.htm#MeasureHubAndRim

http://www.wheelpro.co.uk/spokecalc/measure.html

Measuring Rims

http://www.geocities.com/spokeanwheel/measure.htm#rm

http://i32.photobucket.com/albums/d7/k4drd/Bicycles/MeasuringERD.jpg

http://www.damonrinard.com/spocalc.htm#MeasureHubAndRim

Rims

  • Mavic 819 Disc ERD - 532mm (Official), 518.5g. with special nipple nipples.
    • Could be 534.5mm erd according to rumours.
  • Velocity USA 650B Blunt rims - ISO 44-584. 32 hole. 562 ERD. Claimed weight 459g. Actual weight 464.8g.
  • Salsa Delgato 29er Rims - ERD 604
  • Alex DA28 - ERD 584.8, 480g.

Hubs

Shimano XTR

Rear FH-M975

  • Hole PCD (mm) - Left 44/Right 45
  • Dish - 6.6mm
  • Flange distance - Official -le. 35.3mm, ri. 22.1mm (on center -le. 33.65mm, ri. 20.45mm)
  • Ø of spoke hole - 2.6mm

Front HB-M975

  • Hole PCD (mm) - Left 44/Right 40
  • Dish - 5.4mm
  • Flange distance - (on center -le. 23mm, ri. 34mm)
  • Ø of spoke hole - 2.6mm

Shimano XT FH-M775

Rear

  • Hole PCD (mm) - Left 44/Right 45
  • Flange Distance - 57.4mm (on center - 54.1
  • Dish - 6.6mm
  • Flange distance - Official -le. 35.3mm, ri. 22.1mm (on center -le. 33.65mm, ri. 20.45mm)
  • Ø of spoke hole - 2.6mm

Deore XT FH-M765 Centerloc

Front

  • Pitch Circle Diameter: 44mm L., 41mm R.
  • Flange Distance: 24.8mm L., 35.8mm R.
  • Ø of spoke hole: 2.6mm
  • Holes: 32

Rear

  • Pitch Circle Diameter: 45mm L., 45mm R.
  • Flange Distance: 35.35mm L., 23.05mm R.
  • Ø of spoke hole: 2.6mm
  • Holes: 32

Shimano 105 HB-5600

Front

  • Pitch Circle Diameter: 38mm
  • Flange Distance: 34mm
  • Ø of spoke hole: 2.6mm
  • Holes: 32

Formula CL-91

Rotor Adapter Type.

  • Front 100mm hub. 32 hole
  • Flange Distance from Center: L- 27.5mm, R- 17.5mm
  • Pitch Circle Diameter: L- 44.5mm, R- 44.5mm
  • Ø of spoke hole: 2.5mm

Velocity USA 'Road Disc' 130mm rear hub

32 hole. Actual weight (no QR) - 349g.

Hadley H500405 Single Speed Hub

  • Pitch Circle Diameter: 60mm L., 60mm R.
  • Flange Distance: 33.2mm L., 33.2mm R.
  • Ø of spoke hole: 2.5mm
  • Holes: 32

29'r Wheelsets

Cheapos

Salsa Delgato Rims w/ Deore XT Centerloc hubs

Front:

  • ERD 604
  • Pitch Circle Diameter: 44mm L., 41mm R.
  • Flange Distance: 24.8mm L., 35.8mm R.
  • Dia of holes: 2.6mm
  • Holes: 32
  • Crosses: 3 L, 3 R.
  • Spokes: DT 1.8 Straight
  • Nipples: DT 1.8/12mm
  • Spokes 293mm L., 295mm R.

Rear:

  • ERD 604
  • Pitch Circle Diameter: 45mm L., 45mm R.
  • Flange Distance: 35.35mm L., 23.05mm R.
  • Dia of holes: 2.6mm
  • Holes: 32
  • Crosses: 3 L, 3 R.
  • Spokes: DT 1.8 Straight
  • Nipples: DT 1.8/12mm
  • Spokes 294mm L., 293mm R.