Menu
Products
Cart
AccountMAINSHAFT ASSEMBLY, TRIUMPH UNIT 750, 5 SPEED, GENUINE, 57-7077
$272.70
RRP $344.90
SAVE $72.20 (21%)
In Stock
Notify me when back in stock
MAINSHAFT ASSEMBLY TRIUMPH UNIT 750, 5 SPEED, GENUINE, 57-7077
Replaces OEM Part No: 57-7077 (also replaces 57-4432, 57-7076, 21-7072, 21-7073, 14-1307)
Complete factory spec. gearbox main shaft assembly.
1 piece. High quality heavy duty gearbox main shaft assembly to suit all Triumph unit 750 twin 5 speed gearboxes.
Comes with kick start ratchet tab washer 57-7076, kick start ratchet nut 21-7072, clutch hub washer 21-7073, clutch locking nut 14-1307.
NOTE: This main shaft replaces the early 5 speed main shaft (57-4432). The thread diameters are larger and stronger hence the larger nuts and washers. Will not suit T150 or T160 triples.
Please use the part numbers to verify specifics for your application.
Top quality, Genuine spare part.
Made In England.
More From This Category
GEARCHANGE INDEX PLUNGER SPRING, TRIUMPH, TR6, T120, TR7, T140, GENUINE, 57-0405, T405
$5.00
RRP $6.40
22% OFF
In Stock
22% OFF
RRP $6.40
CLUTCH CABLE ADJUSTER, ABUTMENT, TRIUMPH, 1967-68, GENUINE, 57-2540
$7.80
RRP $9.80
20% OFF
In Stock
20% OFF
RRP $9.80
GEARBOX LAYSHAFT NEEDLE BEARING & THRUST WASHER SET, TRIUMPH, 57-1614, 57-1606, 57-1607
$64.50
RRP $81.90
21% OFF
In Stock
21% OFF
RRP $81.90
GEARBOX SPROCKET NUT, 4 SPEED, TRIUMPH, UNIT, PRE UNIT, GENUINE, 57-0440, T440
$18.10
RRP $22.90
21% OFF
In Stock
21% OFF
RRP $22.90
GEARBOX SPROCKET, TRIUMPH, PRE-UNIT, 18T, 1946-63, 57-0471 A, T0471 A
$77.20
RRP $97.70
21% OFF
In Stock
21% OFF
RRP $97.70
KICK START COTTER PIN ASSEMBLY, TRIUMPH, BSA, GENUINE, 57-4356, T4356, 57-1222
$8.40
RRP $10.60
21% OFF
In Stock
21% OFF
RRP $10.60
KICKSTART RATCHET MAINSHAFT NUT, 9/16" x 20TPI, TRIUMPH, GENUINE, NT297, 99-3542, 57-2009, 67-3
$6.30
RRP $8.00
21% OFF
In Stock
21% OFF
RRP $8.00
SEAL, GEARBOX SPROCKET, TRIUMPH, BSA, 650, 4 SPEED, 57-0946, 68-0027
$7.10
RRP $9.00
21% OFF
In Stock
21% OFF
RRP $9.00
Latest Products
ENGINE BREATHER HOSE TO AIRBOX, TRIUMPH TRIPLE, T150 T160, GENUINE 82-9563, F9563
$31.80
RRP $40.20
21% OFF
In Stock
21% OFF
RRP $40.20
INLET MANIFOLD BALANCE CONNECTOR PIPES (PR) TRIUMPH 750, GENUINE, 71-7103, 71-3313
$7.60
RRP $9.90
23% OFF
In Stock
23% OFF
RRP $9.90
GIRLING FRONT BRAKE MASTER CYLINDER ASSEMBLY, TRIUMPH, 750 1979 ON, 60-7163 G
$372.70
RRP $471.40
21% OFF
In Stock
21% OFF
RRP $471.40
AIR FILTER ELEMENTS, PAIR, WITH BACK PLATE BAFFLE, TRIUMPH T140, BSA A65, 60-4265
$132.60
RRP $167.90
21% OFF
In Stock
21% OFF
RRP $167.90
GENUINE LUCAS 22B BRAKE LIGHT SWITCH, ON CHAIN GUARD, 54033234, 99-0725, 31445, 31437
$35.40
RRP $44.80
21% OFF
In Stock
21% OFF
RRP $44.80
AIR FILTER ELEMENT WITH BACK PLATE BAFFLE, TRIUMPH T140 BSA A65 1974 ON, 60-4265
$68.10
RRP $86.90
22% OFF
In Stock
22% OFF
RRP $86.90
GEARBOX LAYSHAFT THRUST WASHERS (SET 2) TRIUMPH, GENUINE, 57-1607, T1607
$28.90
RRP $36.90
22% OFF
In Stock
22% OFF
RRP $36.90
GEARBOX LAYSHAFT NEEDLE BEARING & THRUST WASHER SET, TRIUMPH, 57-1614, 57-1606, 57-1607
$64.50
RRP $81.90
21% OFF
In Stock
21% OFF
RRP $81.90
Top Sellers
KICK START COTTER PIN ASSEMBLY, TRIUMPH, BSA, GENUINE, 57-4356, T4356, 57-1222
$8.40
RRP $10.60
21% OFF
In Stock
21% OFF
RRP $10.60
GEARCHANGE RUBBER, TRIUMPH, BSA, OVAL, 57-2450, T2450, 89-3208
$4.60
RRP $5.80
21% OFF
In Stock
21% OFF
RRP $5.80
KICKSTART RUBBER, TRIUMPH, SCRIPTED, OPEN END, 57-2330 A, T2330 A
$8.10
RRP $10.30
21% OFF
In Stock
21% OFF
RRP $10.30
KICKSTART PINION LOCK TAB WASHER, TRIUMPH, 650, 750, GENUINE, 57-2240, T2240, T732
$3.60
RRP $4.50
20% OFF
In Stock
20% OFF
RRP $4.50
KICK START RUBBER, TRIUMPH, SCRIPTED, PRE-UNIT, 82-1814, F1814
$9.00
RRP $11.40
21% OFF
In Stock
21% OFF
RRP $11.40
KICK START RETURN SPRING, TRIUMPH, 500, 650, 750, T150, T160, 57-0031, T31
$17.20
RRP $21.80
21% OFF
In Stock
21% OFF
RRP $21.80
GEARCHANGE QUADRANT RETURN SPRING, TRIUMPH, 650, 750, GENUINE, 57-7051, 57-0404, T404
$7.20
RRP $9.10
21% OFF
In Stock
21% OFF
RRP $9.10
GEARBOX LAYSHAFT THRUST WASHER, TRIUMPH, GENUINE, 57-1607, T1607
$15.40
RRP $19.50
21% OFF
In Stock
21% OFF
RRP $19.50
Popular Products
GEARCHANGE INDEX PLUNGER SPRING, TRIUMPH, TR6, T120, TR7, T140, GENUINE, 57-0405, T405
$5.00
RRP $6.40
22% OFF
In Stock
22% OFF
RRP $6.40
CLUTCH CABLE ADJUSTER, ABUTMENT, TRIUMPH, 1967-68, GENUINE, 57-2540
$7.80
RRP $9.80
20% OFF
In Stock
20% OFF
RRP $9.80
GEARBOX LAYSHAFT NEEDLE BEARING & THRUST WASHER SET, TRIUMPH, 57-1614, 57-1606, 57-1607
$64.50
RRP $81.90
21% OFF
In Stock
21% OFF
RRP $81.90
GEARBOX SPROCKET NUT, 4 SPEED, TRIUMPH, UNIT, PRE UNIT, GENUINE, 57-0440, T440
$18.10
RRP $22.90
21% OFF
In Stock
21% OFF
RRP $22.90
GEARBOX SPROCKET, TRIUMPH, PRE-UNIT, 18T, 1946-63, 57-0471 A, T0471 A
$77.20
RRP $97.70
21% OFF
In Stock
21% OFF
RRP $97.70
KICK START COTTER PIN ASSEMBLY, TRIUMPH, BSA, GENUINE, 57-4356, T4356, 57-1222
$8.40
RRP $10.60
21% OFF
In Stock
21% OFF
RRP $10.60
KICKSTART RATCHET MAINSHAFT NUT, 9/16" x 20TPI, TRIUMPH, GENUINE, NT297, 99-3542, 57-2009, 67-3
$6.30
RRP $8.00
21% OFF
In Stock
21% OFF
RRP $8.00
SEAL, GEARBOX SPROCKET, TRIUMPH, BSA, 650, 4 SPEED, 57-0946, 68-0027
$7.10
RRP $9.00
21% OFF
In Stock
21% OFF
RRP $9.00