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Swinging Arm

If the last 6 of your VIN are 29155 or lower

Triumph Thunderbird & Thunderbird Sport · Rear Swinging Arm & Rear Suspension · 25 parts · 1 on the shelf in Brea

Exploded parts diagram — Swinging Arm, Triumph Thunderbird & Thunderbird Sport

Open this diagram in the interactive viewer → Click any callout on the drawing to jump to the part.

Motorcycles this catalogue covers

Thunderbird & Thunderbird Sport
1999

Our parts team checks fitment against your motorcycle before any order ships.

Every part on this diagram

1
T2059357
Swinging arm assembly
Qty 1
Includes bearings Black
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
2
T2010054
Eccentric adjuster
Qty 2
Black
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
3
T3050057
Capscrew
Qty 2
M10 x 40mm
No longer supplied by Triumph
$0.98
Not on our shelf Ask the parts desk
4
T3551283
Washer, M10, 10.5x18x1.6, Slv
Qty 2
Triumph has stock
$1.86
Order-in Ask the parts desk
5
2059440-T0301
Rubbing strip
Qty 1
Triumph has stock
$62.47
Order-in Ask the parts desk
6
T3010144
Flanged Sleeve, M6 x 9.5 x 10.5
Qty 2
Triumph has stock
$3.49
Order-in Ask the parts desk
7
T3555004
Washer, 6.4 x 14 x 1.6
Qty 2
Low stock at Triumph
$1.30
Order-in Ask the parts desk
8
T3331041
Screw, Pan/Hd, Tx, M6 x 25, Enc
Qty 2
$0.98
In stock in Brea Ask the parts desk
9
T2056007
Spindle
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
10
2056960-T0301
Sleeve
Qty 2
PART NO LONGER AVAILABLE
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
11
T2056008
Thrust Seal
Qty 2
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
12
2056970-T0301
Shim
Qty 2
PART NO LONGER AVAILABLE
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
13
T3800014
Roller bearing
Qty 4
Triumph has stock
$13.26
Order-in Ask the parts desk
14
T2056994
Plug
Qty 1
No longer supplied by Triumph
$21.67
Not on our shelf Ask the parts desk
15
T3555032
Washer, 17 x 30 x 3
Qty 1
M14
Low stock at Triumph
$2.93
Order-in Ask the parts desk
16
2056001-T0301
Bolt special
Qty 1
If the last 6 of your VIN are 37993 or lower
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
16
T2056020
Bolt special
Qty 1
If the last 6 of your VIN are 37994 or higher
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
17
T3600170
Seal, SD 25 32 04
Qty 2
RH
Triumph has stock
$12.51
Order-in Ask the parts desk
18
3450007-T0301
Grease nipple
Qty 2
No date from Triumph yet
$1.77
On backorder Ask the parts desk
19
3450008-T0301
Grease cap
Qty 2
* PART NO LONGER AVAILABLE *
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
20
2059345-T0301
Dust cover rh
Qty 2
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
21
3450190-T0301
End cap
Qty 2
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
22
T3900092
Label, Chain & Tyres
Qty 1
Chain & Tyres
Triumph has stock
$5.27
Order-in Ask the parts desk
23
T3350039
Riv nut
Qty -1
No date from Triumph yet
$4.65
On backorder Ask the parts desk
24
T3450009
Plug, M6
Qty 1
Triumph has stock
$3.00
Order-in Ask the parts desk

Diagram and part data from Triumph’s own parts catalogue. Prices and availability are a dated snapshot, not a reservation. Fitment is Triumph’s data — send us the last six of your VIN if you want it checked before you order.

Southern California Motorcycles, 515 W Lambert Rd, Brea, CA 92821 · 714-256-6700

Triumph supply checked Aug 5, 2026 · Brea shelf Aug 18, 2026.