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Swingarm Assembly

Triumph Bonneville Speedmaster · Rear Suspension · 38 parts · 3 on the shelf in Brea

Exploded parts diagram — Swingarm Assembly, Triumph Bonneville Speedmaster

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

Triumph lists this drawing for the Bonneville Speedmaster, VIN AC1200 and lower. Triumph builds more than one machine in this book and they do not all take the same parts. Tell us which one you ride →

Motorcycles this catalogue covers

Speedmaster 1200
2020–2026

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

Every part on this diagram

1
T2050426
Swingarm Assembly
Qty 1
Includes items: 2, 3, 4, 5, 6, 7 & 8
$2182.86
Available Request a shipping quote
2
T3800506
Bearing, Ball, 17 x 35 x 10
Qty 2
$17.86
Available
3
T3500204
Circlip, Int, 35 x 1.5
Qty 1
$1.99
Available
4
T3800014
Roller bearing
Qty 1
Backordered at Triumph · expected Nov 20
$13.26
On backorder
5
T2054096
Spacer, Internal, 22 x 174.5
Qty 1
$57.22
Available
6
T3600044
Oil Seal, 35 25 4
Qty 2
Low stock at Triumph
$9.67
Limited availability
7
T2054063
Spacer, 25 x 17 x 8.5
Qty 1
$7.41
Available
8
T2053188
Sleeve, Ground, 25 x 17 x 37
Qty 1
Low stock at Triumph
$8.82
Limited availability
9
T2012012
Bolt
Qty 1
Low stock at Triumph
$33.00
Limited availability
10
T3551240
Washer, M16 x 34 x 3
Qty 1
Low stock at Triumph
$2.43
Limited availability
11
T3350155
Locknut, Thin, M16
Qty 1
Low stock at Triumph
$8.71
Limited availability
12
T2059777
Chainguard, Pressed, Black
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$82.22
On backorder Order through the parts desk
13
T3331042
Screw, Pan/Hd, Tx, M6 x 12, Enc
Qty 1
$1.99
In stock in Brea
14
T3203205
Screw, H/Hd, M8 x 50, Slv
Qty 2
Low stock at Triumph
$1.99
Limited availability
15
T3350301
Nut, Flanged, M8, Silver
Qty 2
Low stock at Triumph
$1.99
Limited availability
16
T2025599
Bracket, Brake Hose, Rear
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$6.16
On backorder Order through the parts desk
17
T3331042
Screw, Pan/Hd, Tx, M6 x 12, Enc
Qty 1
$1.99
In stock in Brea
18
T3335015
Screw, But/Hd, TX, M8 x 30
Qty 1
$7.71
Available
19
T2050378
Chain Rubbing Strip
Qty 1
$36.28
Available
20
T3010061
Flanged Sleeve, M6 x 9 x 3.25
Qty 1
$6.68
Available
21
T3205065
Bolt, HHF, Lghtd, M6 x 20, Enc
Qty 1
$5.19
Available
22
T2050398
Spacer, 16 x 8.4 x 3
Qty 2
$10.71
Available
23
T3450108
Stand Off Rubber
Qty 2
$2.36
Available
24
T3700180
Plug, Hole, Plastic
Qty 3
$2.36
Available
25
T2059371
Chain Rubbing Strip, Rear
Qty 1
$33.78
Available
26
T2059401
Compression Limiter
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$4.91
On backorder Order through the parts desk
27
T3330955
Screw, But/Hd, M5 x 14, Slv, Enc
Qty 1
$7.83
Available
28
T2052662
Cover, Swingarm Pivot, LH
Qty 1
$18.06
Available
29
T2052663
Cover, Swingarm Pivot, RH
Qty 1
$18.06
Available
30
T3330678
Screw, Csk, M5 x 30, S/S
Qty 2
$3.08
Available
31
T3550265
Washer, M5, C'sunk
Qty 2
$3.88
Available
32
T3350050
Wellnut, M5
Qty 1
$6.16
Available
33
T3550286
Washer, 5.3 x 18 x 1.6
Qty 1
Low stock at Triumph
$1.99
Limited availability
34
T2050376
Tube, ID 5.2, OD 7.5, 14 Long
Qty 1
$16.81
Available
35
T3350199
Nut, M5, Cylindrical
Qty 1
$4.21
Available
36
T3010706
Flanged Sleeve, 5.2 x 7 x 6.3
Qty 1
$4.91
In stock in Brea
37
T3601470
O Ring, ID 32.5 x 3
Qty 2
$3.14
Available
38
T2059997
Protector, Swingarm
Qty 1
$38.20
Available

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 Oct 15, 2026.