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Rear Brake Master Cylinder, Reservoir & Pedal

Triumph Bonneville · Braking System · 21 parts

Exploded parts diagram — Rear Brake Master Cylinder, Reservoir & Pedal, Triumph Bonneville

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

Motorcycles this catalogue covers

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

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

Every part on this diagram

1
T2020951
Master Cylinder Assembly, Rear
Qty 1
Triumph’s Aug 28, 2026 date has passed, we’ll confirm
$308.07
On backorder Ask the parts desk
2
T2020031
Piston Set
Qty 1
Triumph has stock
$58.06
Order-in Ask the parts desk
3
T2021265
Push Rod Assy, M/Cyl, Rear
Qty 1
Low stock at Triumph
$29.73
Order-in Ask the parts desk
4
T2020472
Circlip, M'cyl, Rear
Qty 1
Triumph has stock
$2.53
Order-in Ask the parts desk
5
T2022108
Connector Set
Qty 1
Triumph has stock
$24.03
Order-in Ask the parts desk
6
T2024080
M/Cyl Reservoir Assy
Qty 1
Low stock at Triumph
$43.07
Order-in Ask the parts desk
7
T2021157
Hose, Reservoir, M/Cyl, Rear
Qty 1
Low stock at Triumph
$39.36
Order-in Ask the parts desk
8
T2023188
Reservoir Hose Clip
Qty 2
Triumph has stock
$3.24
Order-in Ask the parts desk
9
T3050323
Screw, Cap/Hd, M8 x 30, Slv
Qty 2
Triumph has stock
$4.39
Order-in Ask the parts desk
10
T3330728
Screw, Pan/Hd, Tx, M5 x 16, Enc
Qty 1
Triumph has stock
$0.90
Order-in Ask the parts desk
11
T3350129
Nut, Captive, M5
Qty 1
Low stock at Triumph
$3.14
Order-in Ask the parts desk
12
T2024932
Brake Switch, SPDT
Qty 1
Low stock at Triumph
$40.15
Order-in Ask the parts desk
13
T2023521
Brake Pedal, Black
Qty 1
If the last 6 of your VIN are 771230 or lower
Triumph has stock
$92.97
Order-in Ask the parts desk
13
T2023062
Brake Pedal, Black
Qty 1
If the last 6 of your VIN are 771231 or higher
Triumph has stock
$126.76
Order-in Ask the parts desk
14
T3750040
Bush, 16 PD, EGB1415-E40
Qty 1
Low stock at Triumph
$7.41
Order-in Ask the parts desk
15
T2028800
Bracket, Rear Brake Switch
Qty 1
Low stock at Triumph
$12.04
Order-in Ask the parts desk
16
T3330955
Screw, But/Hd, M5 x 14, Slv, Enc
Qty 2
Triumph has stock
$7.83
Order-in Ask the parts desk
17
T2023102
Spring, Brake Pedal Return
Qty 1
Low stock at Triumph
$6.96
Order-in Ask the parts desk
18
T3000301
Pin, Clevis, 8 x 13.7
Qty 1
Triumph has stock
$3.98
Order-in Ask the parts desk
19
T3000302
Clip, 8mm, Clevis Pin
Qty 1
Triumph has stock
$5.62
Order-in Ask the parts desk
20
T2027725
Pin, Brake Switch, Rear, M5
Qty 1
Low stock at Triumph
$33.53
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.