Bicycle Archive · Specification report

2017 Specialized Myka 650b

Velopedia Archive ID 900003672

Overview

Model year	2017
Brand	Specialized
Model	Myka 650b
Bicycle type	Specialty
Archive ID	900003672
Colors	Satin Graphite/tarmac Black/rainbow Flake Pink; Satin Powder Green/turquoise/tarmac Black
Sizes	XS; S; M; L

Frameset

Frame construction	A1 Premium Aluminum, forged 3D dropouts, alloy replaceable derailleur hanger
Frame material	Aluminum
Fork	SR Suntour M3030 650b, 1-1/8"" steel steerer, 75mm of travel, 9mm axle, coil spring w/preload adjust
Fork material	Steel

Drivetrain

Shifters	Shimano EF500, EZ Fire Plus, 7-speed
Front derailleur	Shimano Tourney, top-swing, 34.9mm clamp
Rear derailleur	Shimano Tourney
Crankset	Samox, forged alloy; chainrings: 42/34/24T
Bottom bracket	Square taper, 73mm, internal bearings
BB shell width	73 mm
Cassette	Shimano Tourney freewheel, 7-speed, 14-34t
Chain	KMC X8, 8-speed w/reusable MissingLink
Pedals	Specialized MTB, platform w/molded pin, Cr-Mo spindle

Brakes

Brakes	(F) V-brake, linear pull / (R) V-brake, linear pull

Cockpit & contact points

Handlebar	Flat bar, double-butted 6061 alloy, 640/680mm width, 10-degree upsweep, 4-degree upsweep, 31.8mm
Stem	3D-forged alloy, 31.8mm clamp, 6-degree rise
Saddle	Women's Body Geometry Myth Sport, steel rails, 155mm
Seatpost	Alloy, 12mm offset, 2-bolt clamp, 30.9mm

Wheels & tires

Hubs	(F) Specialized V-brake, alloy, loose ball bearings, 9mm, QR / (R) Specialized V-brake, loose ball bearings, QR, 32h
Rims	650b, V-brake, alloy, double-wall, CNC sidewalls, pin joint, 25mm wide, 32h
Spokes	Stainless, 14g
Front tire	Fast Trak Sport, 650bx2.0"", 60TPI, wire bead, Flak Jacket protection
Rear tire	Fast Trak Sport, 650bx2.0"", 60TPI, wire bead, Flak Jacket protection

Geometry · XS

Seat tube	310 mm
Effective top tube	529 mm
Head tube	100 mm
Head-tube angle	69.5°
Seat-tube angle	74°
Chainstay / rear center	426 mm
Wheelbase	1029 mm
Bottom-bracket drop	48 mm
Bottom-bracket height	308.5 mm
Reach	362 mm
Stack	581 mm
Fork offset / rake	42 mm
Front center	608 mm
Trail	88 mm
Fork length / axle-to-crown	480 mm
Seatpost length	300 mm
Crank length	165 mm
Stem length	60 mm
Handlebar width	640 mm

Geometry · S

Seat tube	371 mm
Effective top tube	549 mm
Head tube	100 mm
Head-tube angle	69.5°
Seat-tube angle	74°
Chainstay / rear center	426 mm
Wheelbase	1049 mm
Bottom-bracket drop	48 mm
Bottom-bracket height	308.5 mm
Reach	382 mm
Stack	581 mm
Fork offset / rake	42 mm
Front center	628 mm
Trail	88 mm
Fork length / axle-to-crown	480 mm
Seatpost length	350 mm
Crank length	170 mm
Stem length	60 mm
Handlebar width	640 mm

Geometry · M

Seat tube	417 mm
Effective top tube	571 mm
Head tube	110 mm
Head-tube angle	70°
Seat-tube angle	73°
Chainstay / rear center	426 mm
Wheelbase	1056 mm
Bottom-bracket drop	48 mm
Bottom-bracket height	308.5 mm
Reach	390 mm
Stack	592 mm
Fork offset / rake	42 mm
Front center	635 mm
Trail	85 mm
Fork length / axle-to-crown	480 mm
Seatpost length	350 mm
Crank length	170 mm
Stem length	80 mm
Handlebar width	680 mm

Geometry · L

Seat tube	463 mm
Effective top tube	591 mm
Head tube	120 mm
Head-tube angle	70°
Seat-tube angle	73°
Chainstay / rear center	426 mm
Wheelbase	1076 mm
Bottom-bracket drop	48 mm
Bottom-bracket height	308.5 mm
Reach	407 mm
Stack	602 mm
Fork offset / rake	42 mm
Front center	655 mm
Trail	85 mm
Fork length / axle-to-crown	480 mm
Seatpost length	400 mm
Crank length	175 mm
Stem length	80 mm
Handlebar width	680 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 25, 2026.