misc. |
|
|
insertion
depth handlebarstem |
50
mm: expander must not deform the threadarea |
|
insertion
depth seatpost |
min
10 mm below toptube, min. 60 mm in seattube |
|
chainwear
limit |
1%
max (=pindiameter on 20 links (10" nominal) |
|
radial
spoking |
radial
spoking voids the guarantee on -most-Shimano hubs. |
|
crankset boltcircles |
|
|
BCD |
Type |
Rem. |
5
x 50.4 mm |
TA
cyclotouriste ea. |
|
5
x 56 mm |
inner
chainring microdrive (Sachs, Sugino, TA) |
20-22
T |
5
x 58 mm |
inner
chainring microdrive shimano |
20-24
T |
5
x 74 mm |
inner
chainring ATB |
24
to 36T |
5
x 80 mm |
inner
chainring french |
|
5
x 86 mm |
Stronglight |
|
5
x 94 mm |
Shimano
microdrive outer chainring |
from
30 T |
5
x 95 mm |
Shimano
STX |
|
5
x 110 mm |
ATB-pitch,
Shimano, Suntour, Sachs etc, |
|
5
x 116 mm |
Campagnolo
Victory |
|
5
x 122 mm |
Nervar-
Stronghlight |
|
5
x 130 mm |
Japan
road, ie Suntour, Sachs, Shimano, Sakae, TA... |
min
38T |
5
x 135 mm |
Modern
Campagnolo (+ Sachs new succes) |
|
5
x 143 mm |
Thun |
|
5
x 144 mm |
Old
Campagnolo Record and copies |
|
5
x 151 mm |
Old
Campa track |
|
threadsizes |
|
|
axle
fronthub |
9
mm x 26 tpi (ita) |
|
axle
fronthub |
9mm
x 1 ( JIS) |
|
axle
rearhub |
10
x 1 (JIS) |
|
axle
rearhub |
10
x 26 tpi (ita.) |
|
bracket |
bsc
1.37" x 24 tpi (English, 68 mm wide , RH cup LH thread) |
|
bracket |
ita.
36mm x 24 tpi (Italian 70 mm wide) |
|
crankpuller |
22 x 1 (Old TA was
23 x 1 , Stronglight 23.35 x 1 (will strip with TA!)) |
|
dropout
eye for rear derailleur |
10
x 26 tpi = 10 x 1.0 mm |
|
freewheel
on hub |
BSC
1.37" x 24 (rare 34.7 x 1 or 35mm x 24tpi) |
|
headset
1 1/4" |
1
1/4 x 26 tpi |
|
headset
1 1/8" |
1
1/8 x 26 tpi |
|
headset
1" |
BSC
1" x 24 tpi |
|
headset
25 mm |
M
25 x P 1.0 (French) |
|
lockring
for trackcog |
1.32"
x 24 tpi L (Ita.) |
|
lockring
for trackcog |
1.29"
x 24 tpi L (JIS) |
|
pedals |
M14
x 1.25 (French) |
|
pedals |
BSC
9/16" x 20 tpi (LH pedal LH thread) |
|
trackcog
on hub |
BSC
1.37 x 24 tpi |
|
|
|
|
tightening torques |
|
|
axle
skewer |
position
lever // axle, tighten adjuster to remove play, close handle (90
degrees) |
|
brakeblock
clampnut (m6) |
8-9
Nm |
|
brakeblock
sidepullbrake |
5-7
Nm |
|
brakecable
clampbolt |
5-8
Nm |
|
brakelever
to dropbar |
6-8
Nm |
|
cableadjuster
to shifterboss |
2
Nm |
|
cantilever
mounting bolt (m6) |
5-7
Nm |
|
central
brakebolt to frame (sidepull) |
8-10
Nm |
|
centrale
screw bar con |
3
Nm |
|
chainring
bolt |
5-7
Nm |
|
crankbolt |
35-50
Nm (standard square axle, Shimano spline) |
|
derailleur
cable clampbolt |
5-7
Nm |
|
derailleur
to dropout |
8-10
Nm |
|
expander
bar con |
5-6
Nm ( turn CCW to tighten) |
|
HG
cassette lockring |
30-50
Nm |
|
hollow
bolt cassette freewheel to hub |
35-50
Nm (10 mm inbus) |
|
m5x
0.8 bolt |
5-7
Nm |
|
m6
x 1.0 bolt |
6-8
Nm |
|
pedal
to crank |
35
Nm |
|
shimano
bracketunits |
50-70
Nm (30-40 Nm for plastic) |
|
SPD
cleat to shoe |
5-6
Nm |
|
SRAM
gripshift clampbolt |
1.5
Nm |
|
STI
lever to dropbar |
6-8
Nm |
|
STI
ratchet to brakecable bracket |
4-5
Nm |
|
suspensionfork
crown bolts m5 |
12
Nm (Rond WP) |
|
suspensionfork
crown bolts m6 |
9
Nm (RST) |
|
fits
and framedimensions |
|
|
ahead
stem over steerer |
25.4mm,
28.6 mm of 31.8 mm |
|
axle
width fronthub |
100
mm (also 70mm =TT, 90mm= childrensbike, 110mm=downhill) |
|
axle
width rearhub (road) |
130mm
( 5 speed = 120, 6 speed 126 mm) |
|
axle
width rearhub (MTB) |
135mm
(early bikes also 130mm) |
|
axle
width rearhub (Tandem) |
140-145-160
mm |
|
bottlecage
nuts CoC |
63.5
mm (2.5") |
|
braze-on
frontchanger (middle to center bracket) |
150
mm (depending on chainwheelsize and front changer) |
|
cantilevermount
CoC |
46-56mm
+ rimwidth |
|
cantilevermount
height |
R
rim - 26 mm (for average forkrake ) |
|
Dropbar
diameter (clamp) |
measure!
can vary from 25.0 to 26.4 (within the same brand) |
|
dropbar
diameter (grip) |
24
mm |
|
dropout
thickness |
3.5
min |
|
dynamohook |
|
|
lower
bottlecage-nut to bracketcenter |
200mm (bottomtube) (but check with frame, cage & bottle
to be sure)
|
|
lower
bottlecage-nut to bracketcenter |
200mm
(seattube) (but check with frame, cage &
bottle to be sure) |
|
lower
headset to steerer (1 1/4") |
33.0
mm |
|
lower
headset to steerer (1 1/8") |
30.0
mm |
|
lower
headset to steerer (1", 25mm) |
26.4
mm (JIS= 27) |
|
MTB
bar diameter (clamp) |
25.4
mm |
|
MTB
bar diameter (grip) |
22
mm |
|
OS
headtube, ID |
34.0
mm |
|
quill
in steerer |
22.2mm,
25.4mm of 28.6 mm (old French = 22mm!) |
|
racingnumber
(road, NL) |
100
x 70 mm (drilled 10 mm from top) |
|
seatpost |
ID
- 0.2 mm |
|
standard
headtube, ID |
30.2
mm (JIS = 30.0 mm) |
|
XL
OS headtube, ID |
37.0
mm |
|
rims
and tyres (some popular sizes) |
|
|
Size |
ETRTO |
Rmax
with tyre [mm] |
12
1/2 x 1.75 |
44-203 |
148 |
14
x 1 3/8 |
37-298 |
189 |
16
x 1.75 |
44-305 |
194 |
18
x 1.75 |
44-355 |
219 |
16
x 1.1/4 (Moulton AM) |
32-369 |
219 |
20
x 1.75 x 2 (BMX) |
44-406 |
244 |
500A |
32-440 |
257 |
20
x 1 3/8 |
32-451 |
260 |
24
x 1.75 |
44-507 |
295 |
26
x 1.75 (mtb) |
44-559 |
321 |
26
x 1 1/2 (race) |
20-571 |
310 |
700c
(28" race) |
23-622 |
338 |
27"
x 1 3/8 |
35-630 |
347 |
29" x 2.1"
|
54-622
|
365
|
conversions |
|
|
lenght |
|
|
0.001"
(thou) |
0.025
mm |
|
1/16
" |
1.6mm
( say it out loud:one sixteenth of an inch...) |
|
7/8" |
22.2
mm |
|
1"
(1 inch) |
25.4
mm |
|
1
1/8" |
28.6
mm |
|
1
1/4" |
31.8
mm |
|
1
3/8" |
34.9
mm |
|
1'
(1 foot) |
305
mm (12") |
|
13G
(gauge) |
2.2
mm |
|
14G |
2.0
mm |
|
15G |
1.8
mm |
|
16G |
1.6
mm |
|
weights |
|
|
1
lbs (pound) |
454
grams |
|
1
st. (stone) |
6.35
kg (12 lbs) |
|
1
cc steel |
7.9
grams |
|
1
cc aluminium |
2.7
grams |
|
1
cc titanium |
4.5
grams |
|
1
cc magnesium |
1.8
grams |
|
1
m^2 sheetsteel |
7.8
kgs / mm thickness |
|
volume |
|
|
1
fl oz. |
28
cc |
|
1
pnt (pint |
0.568
L |
|
1
quart |
1.14
L |
|
1
gallon (us) |
3.79
L |
|
1
gallon (UK) |
4.55.L |
|
speed
etc |
|
|
1
m/s |
3.6
km/h |
|
1
mph |
1.6
km/h |
|
wheelcircumference |
3.1415
x Diameter |
|
gearing
(continental, meters) |
Gearinches
x 0.0798 |
|
gearing
(continental, meters) |
wheelcircumference
x teeth chainring/cog |
|
gearinches |
wheeldiameter
["] x teeth chainring/cog |
|
Misc. |
|
|
100000
psi |
700
N/mm2 |
|
10
psi |
0.69
bar |
|
temp
Celcius |
5/9
x (temp Fahr. -32) |
|
100
watts |
0.136
Hp |
|
10
N |
'1
kg' |
|
Yield
strengths |
(typical
values after welding) |
|
mild
steel |
370
N/mm2 |
|
stainless
steel (aisi 304) |
195
N/mm2 |
|
25crmo4 |
700
N/mm2 |
|
Nivacrom |
1030
N/mm2 |
|
AA
7020 T6 |
230
N/mm2 |
|
AA
6061 T6 |
110
N/mm2 |
|
TiAl3V2.5 |
600
N/mm2 |
|