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Crank Arms

Weight unit

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Manufacturer	Model	Year	Size	Claimed<	Real	±	Comments
Natec	MythicCarbon	2009	175 mm	282 g	298 g	+5,67%	JIS, BCD 110 mm, including 2 washers (2x 2 g)
tune	Fast Foot RR Compact	2009	165 mm		385 g		hex taper, BC 110 mm
Middleburn	RS-7	2006	175 mm		499 g		JIS, 64/104 mm spider
Shimano	Nexave FC-T410	2006	175 mm		452 g		JIS, BCD 64/104 mm
ZIPP	300	2006	172.5 mm		304 g		ISIS, BCD 130 mm
Bontrager	Select	2005	175 mm		487 g		ISIS, BCD 64/104 mm
Extralite	E-Bones W	2005	175 mm	498 g	496.5 g	−0,30%	incl. propritary 68 mm BB and crank fixing bolts, averaged (496/497)
FSA	Afterburner	2005	175 mm		451.5 g		ISIS, BCD 64/104 mm, averaged (450/453), left: 198/201 g, right: 252/252 g
Natec	MythicCarbon	2005	172.5 mm	298 g	294 g	−1,34%	ISIS, BCD 130 mm
Shimano	Deore FC-M540-LK	2005	175 mm		451 g		Octalink, BCD 64/104 mm, w/out crank fixing bolts
Shimano	FC-M540 (OEM on Specialized Epic Comp Disc)	2005	175 mm		455 g		Octalink, BCD 64/104 mm, w/out crank fixing bolts
Stronglight	Vulcan Compact	2005	175 mm		347 g		ISIS, BCD 110 mm, incl. stock M15 crank fixing bolts
THM-Carbones	Clavicula	2005	172.5 mm	420 g	427.1 g	+1,69%	BCD 130 mm, incl. integrated BSA BB
THM-Carbones	Clavicula	2005	175 mm	420 g	427 g	+1,67%	BCD 130 mm, incl. integrated BSA BB (72 g)
Extralite	E-Bones	2004	175 mm	358 g	350 g	−2,23%	ISIS, BCD 64/104 mm, averaged (347/350/353)
Extralite	E-BonesR	2004	172.5 mm		351 g		ISIS, BCD 110 mm (compact road spider), claimed 358 g for BCD 130 mm
FSA	Afterburner	2004	175 mm		468 g		ISIS, BCD 64/104 mm
FSA	Carbon Pro Elite Compact	2004	172.5 mm		385 g		Octalink, BCD 110 mm
Profile Design	Elite Pro	2004	172.5 mm	384 g	404 g	+5,21%	Octalink, BCD 130 mm spider (66 g) & lockring (6 g)
Ritchey	Pro Mountain V	2004	175 mm		463 g		ISIS, BCD 64/104 mm, w/out crank fixing bolts
Truvativ	Firex Team	2004	175 mm		495 g		ISIS, BCD 64/104 mm
tune	Big Foot	2004	165 mm		368 g		JIS, BCD 58/94 mm
tune	Fast Foot	2004	175 mm	388 g	383 g	−1,29%	hex taper, BCD 58/94 mm
tune	Fast Foot	2004	175 mm	410 g			hex taper, BCD 130 mm
Blackspire	Badger DH	2003	170 mm		751 g		Octalink, BCD 110 mm, left/right: 279/472 g
Bontrager	Race Lite	2003	175 mm		496 g		ISIS, BCD 64/104 mm
Campagnolo	Record 10s	2003	172.5 mm		518 g		ISO, BCD 135 mm, left/right: 224/294 g
Campagnolo	Record Carbon 10s	2003	175 mm		410 g		ISO, BCD 135 mm
Fly Sports	Propeller Titanium MTB	2003	LENGTH?	390 g			BCD 58/94 mm, crank/BB combination
Fly Sports	Propeller Titanium Road	2003	LENGTH?	375 g			BCD 130 mm, crank/BB combination
FSA	Carbon Pro	2003	175 mm	415 g	447 g	+7,71%	ISIS, BCD 74/110 mm
FSA	Carbon Pro	2003	175 mm		433 g		ISIS, BCD 64/104 mm
FSA	Carbon Pro Team Issue	2003	172.5 mm	420 g	423 g	+0,71%	ISIS, BCD 130 mm, left/right 171/252 g, w/out any bolts
FSA	Carbon Pro Team Issue	2003	175 mm		416 g		ISIS, BCD 64/104 mm
FSA	V-Drive Extreme	2003	175 mm		585 g		ISIS, BCD 64/104 mm
GASS	Torsk	2003	175 mm	395 g	405 g	+2,53%	ISO, BCD 135 mm (no 5th arm)
GASS	Torsk	2003	172.5 mm	395 g	399 g	+1,01%	ISO, BCD 135 mm (no 5th arm)
Middleburn	RS-7	2003	175 mm	478 g	478 g	±0,00%	ISIS, 58/94 mm spider
Middleburn	RS-7	2003	175 mm	502 g	502 g	±0,00%	ISIS, 74/110 mm spider
Middleburn	RS-7	2003	175 mm	477 g	477 g	±0,00%	ISIS, 64/104 mm spider
Middleburn	RS-8	2003	175 mm	434 g	434 g	±0,00%	ISIS, 58/94 mm spider (special RS-8-only CD spider)
Middleburn	RS-8	2003	175 mm	480 g	480 g	±0,00%	ISIS, 74/110 mm spider
Middleburn	RS-8	2003	175 mm	455 g	455 g	±0,00%	ISIS, 64/104 mm spider
Pazzaz	CK-03	2003	172.5 mm		436 g		BCD 135 mm, Carbon
Race Face	Next LP	2003	175 mm		427 g		ISIS, BCD 74/110 mm, powdercoated
Race Face	Next LP	2003	175 mm	400 g	404 g	+1,00%	ISIS, BCD 58/94 mm
Race Face	Ride XC Forged (Giant OEM)	2003	175 mm		492 g		ISIS, BCD 64/104 mm
Race Face	Turbine LP	2003	175 mm	435 g	425 g	−2,30%	JIS, BCD 58/94 mm, polished
Shimano	Alivio FC-MC20	2003	175 mm		590 g		JIS, BCD 64/104 mm
Shimano	Deore FC-M510	2003	175 mm		446 g		Octalink, BCD 64/104 mm
Shimano	Deore FC-M510	2003	175 mm		471 g		JIS, BCD 64/104 mm
Shimano	Deore XT FC-M752	2003	175 mm		428 g
Shimano	Deore XT FC-M752	2003	175 mm		456 g		Octalink, BCD 64/104 mm, incl. crank fixing bolts
Truvativ	Holzfeller	2003	?		596 g		170mm, ISIS, 104/64B BCD (333/263)
tune	Big Foot	2003	170 mm		380 g		JIS, BCD 58/94 mm
tune	Big Foot	2003	170 mm		388 g		JIS, BCD 130 mm
CAT	Carbon	2002	175 mm	290 g	279 g	−3,79%	BCD 130 mm, extremely hard to get one
Extralite	Fishbones	2002	175 mm	440 g	454 g	+3,18%	JIS, BCD 64/104 mm
Lew	Carbon	2002	?	325 g	325 g	±0,00%	length? BCD? claimed = real?
m2racer	Titanium cranks	2002	?	222 g			two thin-walled Ti tubes per crank arm, plate spider
Race Face	Next LP	2002	175 mm	400 g	401 g	+0,25%	ISIS, BCD 58/94 mm, powdercoated
Race Face	Next LP	2002	175 mm	400 g	419 g	+4,75%	JIS, BCD 74/110 mm, powdercoated
Race Face	Turbine Enduro (RM OEM)	2002	175 mm		470 g		ISIS, BCD 64/104 mm
Roox	MXC	2002	175 mm	450 g	440 g	−2,22%	Octalink, 58/94 or 74/110?
Roox	Spinning Max DH	2002	165 mm	550 g	610 g	+10,91%	JIS, BCD 74/110 mm (disc spider), left/right: 222/388 g
Shimano	105 FC-5501	2002	162.5 mm		440 g		BCD 130 mm, left/right 186/254 g (spare part no. 4-1DG06100/4-1DG06000)
Shimano	105 FC-5501	2002	162.5 mm		445 g		BCD 130 mm, left/right 189/256 g, obv. Hollowtech forging results in vol. diff. of ~1 ccm/crank
Specialites TA	old type	2002	165 mm		347 g		BCD 50 mm; two sets; right 186/187 g, left 160/161 g
Truvativ	Hussefelt	2002	170 mm		661 g		ISIS, BCD 64/104 mm (368/293 g)
Truvativ	Stylo Team	2002	175 mm(?)		474 g		ISIS, BCD 64/104 mm, detachable spider
tune	Big Foot	2002	175 mm	394 g	397 g	+0,76%	JIS, BCD 58/94 mm, averaged (395/399)
Cook Bros	Racing F	2001	175 mm		455 g		JIS, BCD 58/94 mm, steel bolt on the spider
FSA	Carbon	2001	170 mm		409 g
FSA	Carbon Pro	2001	175 mm	415 g	419 g	+0,96%	ISIS, BCD 74/110 mm
Race Face	Next LP	2001	175 mm	400 g	425 g	+6,25%	JIS, BCD 58/94 mm, white powdercoated
Race Face	North Shore DH	2001	175mm	550 g	560 g	+1,82%	94bcd ISIS, includes removable ring mounting tabs
Race Face	Turbine LP	2001	175 mm		434 g		ISIS
Race Face	Turbine LP	2001	175 mm	435 g	442 g	+1,61%	black anodized
Race Face	Turbine LP	2001	175 mm		448 g		BCD ???, square taper, yellow powdercoated
Shimano	Deore FC-M510 Hollowtech	2001	175 mm(?)		446 g
Shimano	Deore XT Hollowtech	2001	175 mm		448 g
Stronglight	Ironlight	2001	175 mm		411 g		JIS, BCD 130 mm, left/right 171/240 g
CODA	Tarantula TX2 Compact	2000	175 mm		453 g		Octalink V1 spline
Icon	Graphite Series	2000	175 mm		508 g		BCD 64/104 mm
Ionic	Billy	2000	175 mm	465 g	541 g	+16,34%	JIS, BCD 58/94 mm, CNC Machined 7075 T6 Aluminum, incl. self-extracting bolts
Profile Design	Alpine Pro	2000	175 mm		340 g		without spider (+74 g for 58/94, +96 g for 74/110)
Race Face	Turbine LP	2000	175 mm	435 g	429 g	−1,38%
Race Face	Turbine LP	2000	175 mm	435 g	431 g	−0,92%	JIS, BCD 58/94 mm, anodized
Shimano	Deore LX Hollowtech	2000	?		449 g
Shimano	Dura-Ace FC-7700	2000	172.5 mm		470 g		Octalink, BCD 130 mm, w/ one-key release bolts, left/right: 204/266 g
Specialized	StrongArm II	2000	175 mm		506 g		JIS, BCD 64/104 mm, grey anodized
Syncros	Revolution Steel	2000	175 mm		455 g		JIS, BCD 58/94 mm
Truvativ	Stylo Team	2000	175 mm		480 g		BCD 64/104 mm
tune	Big Foot	2000	175 mm	394 g	394 g	±0,00%	JIS, BCD 58/94 mm
Shimano	Deore LX FC-M570-4	1999	170 mm		528 g		JIS, left/right: 235/293 g
Shimano	Deore LX FC-M570-4	1999	175 mm		539 g		left/right: 240/299 g
Truvativ	Stylo 2 SX	1999	175 mm		514 g		JIS, BCD 58/94 mm, left/right: 216/298 g
Boone	Twist	1998	175 mm		436 g		JIS, BCD 74/110 mm, left/right 196/240 g
Boone	Twist	1998	170 mm		434 g		JIS, BCD 130 mm
Caramba	Double Barrel	1998	?		438 g
Hershey	Road Cranks	1998	175 mm	400 g	394 g	−1,50%	JIS, BCD 130 mm
Morati	Titanium	1998	175 mm		327 g		BCD 74/110 mm, left/right 136/191 g, production ceased
Shimano	Deore XT FC-M737	1998	175 mm		486 g		JIS , BCD 58/94 mm, year unknown, could be earlier
Shimano	Ultegra FC-6500	1998	175 mm		527 g		Octalink, BCD 130 mm, w/ One-Key crank bolts, left/right: 224/303 g
Shimano	XTR FC-M951-HG	1998	177.5 mm		493 g		BCD 74/110 mm
Middleburn	RS-1	1997	175 mm		401 g		Square, BCD 58/94 mm, not sure about the year
Middleburn	RS-3	1997	175 mm		410 g		Square, BCD 74/110 mm spider
Ritchey	Logic Mountain	1997	175 mm		463 g		JIS, BCD 58/94 mm
Specialized	StrongArm S-Works	1997	175 mm		468 g		JIS, BCD 58/94 mm
Sugino	Impel	1997	175 mm		494 g
Cook Bros	E Cranks	1996	175 mm		397 g		w/out spider (110 mm is an additional 47g)
Cook Bros	PCH Road	1996	171 mm		437 g		130 mm spider
Grafton	Joy Stix	1996	177.5 mm		454 g		JIS, BCD 74/110 mm
Sakae	Radius	1996	165 mm		532 g		BCD 130 mm, right 311 g, left 221 g
Shimano	Alivio FC-MC14	1996	170 mm		414 g		JIS, BCD 67 mm, left/right:186/228 g
TNT	Road	1996	170 mm		405 g
Topline	Mountain	1996	177.5 mm		448 g		JIS, BCD 74/110 mm, black anodized, w/out spacer for the small chainring
Topline	Road	1996	172.5 mm		369 g
Topline	SLS Mountain	1996	175 mm	375 g	388 g	+3,47%	JIS, incl. spacers and bolts
Schlumpf	Mountain Drive	1995	170 mm		337 g		no spider (is on planetary gear on shaft), left/right 167/170 g, crank arms made in france
Shimano	Deore XT FC-M737	1995	?		470 g		JIS
Shimano	Dura-Ace FC-7410	1995	165 mm		408 g		JIS, average of two sets (left 166/169 g, right 239/242 g), year is guess
White Industries	CF-Crank	1995	175 mm		450 g		JIS, BCD 58/94 mm, Made in USA version, forged, polished alloy, averaged (446/454)
Shimano	Dura-Ace FC-7410	1994	170 mm		420 g		JIS, left/right: 172/248 g, 1994 is a guess
Shimano	XTR FC-M900	1993	175 mm		502 g		JIS, BCD 74/110 mm
Suntour	XCE	1991	170 mm		548 g		JIS, BCD 74/110 mm, left/right: 229/319 g
Shimano	Exage Motion FC-A250	1989	170 mm		554 g		JIS, BCD 130 mm, left/right: 240/314 g
Shimano	Exage Country FC-M250	1988	170 mm		553 g		JIS, BCD 74/110 mm, left/right: 239/314 g
Shimano	105 FC-1050	1987	170 mm		534 g		JIS, BCD 130 mm, left/right: 229/305 g
Campagnolo	Super/Nuovo Record	1984	170 mm		446 g		ISO, BCD 144 mm, left/right: 177/269 g
Shimano	600	1984	170 mm		427 g		road crank, year is guessed
FRM	CU 2 Evoulution	?	?		430 g
Morati	Titanium	?	175 mm		309 g		BCD 58/94 mm, out of production cause of many broken ones

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