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Transmission

Triumph Bonneville Bobber TFC · Clutch & Transmission incl. Gearchange Mechanism · 31 parts

Exploded parts diagram — Transmission, Triumph Bonneville Bobber TFC

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

Motorcycles this catalogue covers

Bobber TFC
2020–2025

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

Every part on this diagram

1
T1183700
Gearbox Assy, Input, 6 Speed
Qty 1
Triumph has stock
$1364.31
Order-in Ask the parts desk
2
T1186900
Gearbox Assy, Output, 6 Speed
Qty 1
Triumph has stock
$1478.71
Order-in Ask the parts desk
3
T1183406
Output Shaft, Gearbox, 6 Speed
Qty 1
Triumph has stock
$279.90
Order-in Ask the parts desk
4
T3800555
Bearing, Ball, 25 x 62 x 17
Qty 2
Triumph has stock
$184.79
Order-in Ask the parts desk
5
T1183712
Gear, Output, 2nd, 45T
Qty 1
No date from Triumph yet
$142.58
On backorder Ask the parts desk
6
T1183715
Gear, Output, 5th, 35T
Qty 1
Triumph has stock
$95.04
Order-in Ask the parts desk
7
T1183714
Gear, Output, 4th, 37T
Qty 1
No date from Triumph yet
$103.83
On backorder Ask the parts desk
8
T1183713
Gear, Output, 3rd, 37T
Qty 1
No date from Triumph yet
$139.06
On backorder Ask the parts desk
9
T1183716
Gear, Output, 6th, 34T
Qty 1
No date from Triumph yet
$95.04
On backorder Ask the parts desk
10
T1183711
Gear, Output, 1st, 49T
Qty 1
Triumph has stock
$142.58
Order-in Ask the parts desk
11
T1187042
Spacer, Sprocket, Width 28.4
Qty 1
Triumph has stock
$13.26
Order-in Ask the parts desk
12
T3800101
Bearing, Needle
Qty 1
Triumph has stock
$17.45
Order-in Ask the parts desk
13
T1183777
Thrust Washer, 35.5 x 43 x 1.5
Qty 2
Triumph has stock
$3.81
Order-in Ask the parts desk
14
T3502102
Circlip, ID 32.2
Qty 2
Triumph has stock
$7.83
Order-in Ask the parts desk
15
T1183398
Plain Bush, Output, 3rd
Qty 2
Triumph has stock
$49.29
Order-in Ask the parts desk
16
T1183555
Thrust Washer, 30.5 x 40 x 1.5
Qty 1
Triumph has stock
$3.81
Order-in Ask the parts desk
17
T1183399
Plain Bush, Output, 2nd
Qty 1
Triumph has stock
$49.29
Order-in Ask the parts desk
18
T1187606
Thrust Washer
Qty 1
Triumph has stock
$8.01
Order-in Ask the parts desk
20
T3800189
Snap Ring
Qty 1
Triumph has stock
$3.32
Order-in Ask the parts desk
21
T3802206
Bearing, Cyl Roll 22, 1 x 40 x 12
Qty 1
Triumph has stock
$54.55
Order-in Ask the parts desk
22
T1183333
Restrictor Washer, Gearbox
Qty 1
Triumph has stock
$7.52
Order-in Ask the parts desk
23
T1180156
Sleeve Assy, Needle bearing
Qty 1
Triumph has stock
$58.98
Order-in Ask the parts desk
24
T3500201
Circlip, EXT, 23.5 x 1.2
Qty 1
Triumph has stock
$4.04
Order-in Ask the parts desk
25
T3800159
Bearing, Needle, K25 x 32 x 16 V5
Qty 1
Low stock at Triumph
$16.45
Order-in Ask the parts desk
26
T3555016
Thrust Washer, 25 x 35 x 1.0
Qty 1
Triumph has stock
$4.56
Order-in Ask the parts desk
27
T3600113
Seal, Oil 35 x 62 x 5
Qty 1
Triumph has stock
$22.78
Order-in Ask the parts desk
28
T1182517
Sprocket, Front, 17T, 525
Qty 1
Triumph has stock
$48.98
Order-in Ask the parts desk
29
T1186601
Tab Washer, Sprocket
Qty 1
Triumph has stock
$25.81
Order-in Ask the parts desk
30
T1180175
Nut, Gearbox Sprocket
Qty 1
Triumph has stock
$5.15
Order-in Ask the parts desk
31
T3051063
Screw, Cap/Hd, M6 x 16, Enc, Raw
Qty 2
Triumph has stock
$0.53
Order-in Ask the parts desk
32
T1189876
Bearing Retainer Plate
Qty 1
Triumph has stock
$17.71
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.