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Front Forks & Lower Yoke

Triumph Bonneville · Front Suspension & Steering incl. Clutch Controls · 40 parts · 2 on the shelf in Brea

Exploded parts diagram — Front Forks & Lower Yoke, Triumph Bonneville

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 T120, Bonneville T120 Diamond, Bonneville T120 Bud Ekins, Bonneville T120 Black, Bonneville T120 Ace, Bonneville T100, Bonneville T100 Bud Ekins, Bonneville T100 BLACK, Bonneville T120 Black DGR LE, Bonneville T120 Elvis Edition. 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

Bonneville T100
2008–2026
Bonneville T120
2016–2026
Bonneville T120 Black
2020–2026
Bonneville T100 Black
2017–2020

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

Every part on this diagram

1
T2043970
Stanchion Assy, RH
Qty 1
$1188.28
Available
2
T2043971
Stanchion Assy, LH
Qty 1
$1188.28
Available
3
T2042603
Cap
Qty 2
$75.69
Available
4
T2047113
O Ring, Fork Seal
Qty 2
$2.53
Available
5
T2040072
Nut, Cap Assy
Qty 1
Backordered at Triumph · expected Nov 6
$16.26
On backorder
6
T2043741
Spacer, Front Fork
Qty 1
Backordered at Triumph · no date yet
$19.82
On backorder Ask the parts desk
7
T2047151
Washer
Qty 3
$1.99
Available
8
T2041673
Spacer
Qty 2
$10.84
Available
9
T2042779
Spring
Qty 2
$95.04
Available
10
T2043727
Cylinder Comp, RH
Qty 1
Backordered at Triumph · no date yet
$327.52
On backorder Ask the parts desk
11
T2043726
Cylinder Comp, LH
Qty 1
$327.52
Available
12
T2042789
Tube Comp, Inner, RH
Qty 1
$271.12
Available
13
T2042712
Tube Comp, Inner, LH
Qty 1
$271.12
Available
16
T2041670
Piece Comp, Oil Lock
Qty 1
$9.85
Available
17
T2045311
Oil Lock
Qty 1
$36.52
Available
18
T2047109
Dust Seal, Fork
Qty 2
$16.95
Available
19
T2040248
Snap Ring
Qty 2
$6.24
Available
20
T2044161
Oil Seal
Qty 2
$22.26
In stock in Brea
21
T2047107
Ring, Back Up
Qty 2
$4.04
Available
22
T2047106
Guide, Bushing
Qty 2
$12.51
Available
23
T2041707
Casting, Fork, RH
Qty 1
Backordered at Triumph · expected Nov 13
$536.92
On backorder
24
T2041701
Casting, Fork, LH
Qty 1
$536.92
Available
25
T2045046
Capscrew, Oil Lock
Qty 2
$9.85
Available
26
T2045045
Washer, Sealing B
Qty 2
$1.99
Available
27
T3050133
Capscrew
Qty 1
$4.21
Available
28
T2041488
Lower Yoke Assembly
Qty 1
$473.26
Available
29
T3600063
Seal, Dust, Dia 55
Qty 1
Low stock at Triumph
$7.72
Limited availability
30
T3800052
Bearing, Sac, 55 x 30 x 17
Qty 1
Backordered at Triumph · expected Nov 27
$31.43
On backorder
31
T2047044
Capscrew, M10 x 30, S/S
Qty 2
$7.49
Available
32
T3800091
Bearing, Sac
Qty 1
$31.43
In stock in Brea
33
T3600234
Dust Seal, Dia 55
Qty 1
$7.72
Available
34
T2042138
Cover, Headstock Bearing
Qty 1
$10.10
Available
35
T2040301
Adjuster Nut, M30, Lower
Qty 1
Low stock at Triumph
$26.39
Limited availability
36
T2044183
Washer, Headstock
Qty 1
$7.68
Available
37
T2040304
Locknut, M30
Qty 1
$19.08
Available
38
T3450060
Cap
Qty 1
Low stock at Triumph
$1.99
Limited availability
39
T2700332
Reflector, Amber, Oval
Qty 2
All Mkts Excpt BR & TH
$5.92
Available
40
T2044141
Fork Protector
Qty 2
$14.56
Available
41
T3450675
Bung, Hole Dia 12, Black
Qty 2
Backordered at Triumph · expected Nov 20
$7.14
On backorder
42
T3451270
Fir Tree, Black, 5 x 12
Qty 2
$4.91
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 28, 2026.