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Disc Brake Rotors

Browse for Disc brakes by vehicle make and model.

We carry disc brake rotors in both 2mm and 3mm thickness sizes.

2mm thick rotors are approximately the same thickness as a 5 cent nickel and 3mm rotors are thicker than a 5 cent nickel.


Disc Brake Rotors


110mm Disc Brake Rotor
110mm (4.33") disc brake rotor with three hole mounting pattern. Machined braking surface areas.

2mm Thickness

5 Mounting Holes

5.5mm Mounting Hole Inside Diameter

110mm Outside Diameter

30mm Inside Diameter

24.7mm Adjacent Mounting Hole Center To Center Distance

42mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-496-2M
$14.95


120mm Disc Brake Rotor
110mm (4-3/4") disc brake rotor with three hole mounting pattern. Machined braking surface areas.

2mm Thickness

5 Mounting Holes

5.5mm Mounting Hole Inside Diameter

110mm Outside Diameter

30mm Inside Diameter

24.7mm Adjacent Mounting Hole Center To Center Distance

42mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-504-2M
$14.95


120mm Disc Brake Rotor
120mm (4-3/4") disc brake rotor with three hole mounting pattern. Machined braking surface areas.

3mm Thickness

3 Mounting Holes

5.5mm Mounting Hole Inside Diameter

120mm Outside Diameter

26.2mm Inside Diameter

31.2mm Adjacent Mounting Hole Center To Center Distance

36mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-500
$14.95


120mm Disc Brake Rotor
120mm (4-3/4") disc brake rotor with three hole mounting pattern. Machined braking surface areas.

2mm Thickness

3 Mounting Holes

5.5mm Mounting Hole Inside Diameter

120mm Outside Diameter

26.1mm Inside Diameter

33.77mm Adjacent Mounting Hole Center To Center Distance

39mm Bolt Circle Diameter (BCD)

R32 Mounting Pattern

Dimensional Drawing

Item # BRK-501-2M
$14.95


120mm Disc Brake Rotor
120mm (4-3/4") disc brake rotor with three hole mounting pattern. Machined braking surface areas.

2mm Thickness

3 Mounting Holes

6.5mm Mounting Hole Inside Diameter

120mm Outside Diameter

26.1mm Inside Diameter

33.77mm Adjacent Mounting Hole Center To Center Distance

39mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-509-2M
$14.95


120mm Disc Brake Rotor
120mm (4-3/4") disc brake rotor with three hole mounting pattern. Machined braking surface areas.

2mm Thickness

3 Mounting Holes

6.5mm Mounting Hole Inside Diameter

120mm Outside Diameter

29.1mm Inside Diameter

33.77mm Adjacent Mounting Hole Center To Center Distance

39mm Bolt Circle Diameter (BCD)

R34 Mounting Pattern

Dimensional Drawing

Item # BRK-502-2M
$14.95


120mm Disc Brake Rotor
120mm (4-3/4") disc brake rotor with three hole mounting pattern. Machined braking surface areas.

2mm Thickness

3 Mounting Holes

6.5mm Mounting Hole Inside Diameter

120mm Outside Diameter

35.1mm Inside Diameter

41mm Adjacent Mounting Hole Center To Center Distance

47mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-503-2M
$14.95


120mm Disc Brake Rotor
120mm (4-3/4") disc brake rotor with six hole mounting pattern. Machined braking surface areas. Compatible with brake rotor adapter BRK-142 and BRK-149 sold below.

2mm Thickness

6 Mounting Holes

5.5mm Mounting Hole Inside Diameter

120mm Outside Diameter

37.2mm Inside Diameter

24mm Adjacent Mounting Hole Center To Center Distance

48mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-505-2M
$14.95


120mm Disc Brake Rotor
120mm (4-3/4") disc brake rotor with six hole mounting pattern. Machined braking surface areas.

2mm Thickness

6 Mounting Holes

5.5mm Mounting Hole Inside Diameter

120mm Outside Diameter

33.7mm Inside Diameter

22mm Adjacent Mounting Hole Center To Center Distance

44mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-506-2M
$14.95


140mm Disc Brake Rotor
140mm (5-1/2") disc brake rotor with six hole mounting pattern. Machined braking surface areas.

2mm Thickness

6 Mounting Holes

5.5mm Mounting Hole Inside Diameter

120mm Outside Diameter

33.7mm Inside Diameter

22mm Adjacent Mounting Hole Center To Center Distance

44mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-508-2M
$15.95


140mm Disc Brake Rotor
140mm (5-1/2") disc brake rotor with three hole mounting pattern. Machined braking surface areas.

2mm Thickness

3 Mounting Holes

6.5mm Mounting Hole Inside Diameter

140mm Outside Diameter

37.2mm Inside Diameter

41.6mm Adjacent Mounting Hole Center To Center Distance

48mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-510
$15.95


140mm Disc Brake Rotor
140mm (5-1/2") disc brake rotor with six hole mounting pattern. Machined braking surface areas. Compatible with brake rotor adapter BRK-142 and BRK-149 sold below.

2mm Thickness

6 Mounting Holes

5.5mm Mounting Hole Inside Diameter

140mm Outside Diameter

37.2mm Inside Diameter

24mm Adjacent Mounting Hole Center To Center Distance

48mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-511-2M
$15.95


140mm Disc Brake Rotor
140mm (5-1/2") disc brake rotor with six hole mounting pattern. Machined braking surface areas. Compatible with brake rotor adapter BRK-142 and BRK-149 sold below.

2mm Thickness

6 Mounting Holes

5.5mm Mounting Hole Inside Diameter

140mm Outside Diameter

37.2mm Inside Diameter

24mm Adjacent Mounting Hole Center To Center Distance

48mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-512-2M
$15.95


140mm Disc Brake Rotor
140mm (5-1/2") disc brake rotor with six hole mounting pattern. Machined braking surface areas. Compatible with brake rotor adapter BRK-142 and BRK-149 sold below.

3mm Thickness

6 Mounting Holes

5.5mm Mounting Hole Inside Diameter

140mm Outside Diameter

37.2mm Inside Diameter

24mm Adjacent Mounting Hole Center To Center Distance

48mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-512-3M
$19.95


140mm Disc Brake Rotor
140mm (5-1/2") disc brake rotor with six hole mounting pattern. Machined braking surface areas.

2mm Thickness

3 Mounting Holes

6.5mm Mounting Hole Inside Diameter

140mm Outside Diameter

29.2mm Inside Diameter

33.77mm Adjacent Mounting Hole Center To Center Distance

39mm Bolt Circle Diameter (BCD)

R34 Mounting Pattern

Dimensional Drawing

Item # BRK-513-2M
$15.95


140mm Disc Brake Rotor
140mm (5-1/2") disc brake rotor with six hole mounting pattern for the EVO® 300, 500, 800 and 1000 electric scooters. Machined braking surface areas.

2mm Thickness

3 Mounting Holes

6.5mm Mounting Hole Inside Diameter

140mm Outside Diameter

29.2mm Inside Diameter

33.77mm Adjacent Mounting Hole Center To Center Distance

39mm Bolt Circle Diameter (BCD)

R34 Mounting Pattern

Dimensional Drawing

Item # BRK-514
$15.95


160mm Disc Brake Rotor
160mm (6-3/8") disc brake rotor with six hole mounting pattern. Machined braking surface areas. Compatible with brake rotor adapter BRK-142 and BRK-149 sold below.

2mm Thickness

6 Mounting Holes

5.5mm Mounting Hole Inside Diameter

160mm Outside Diameter

37.2mm Inside Diameter

24mm Adjacent Mounting Hole Center To Center Distance

48mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-515-2M
Replaces same size disc brake rotors that have three holes with 41.6mm Adjacent Mounting Hole center to center distance.
$16.95


160mm Disc Brake Rotor
160mm (6-3/8") disc brake rotor with six hole mounting pattern. Machined braking surface areas. Compatible with brake rotor adapter BRK-142 and BRK-149 sold below.

3mm Thickness

6 Mounting Holes

5.5mm Mounting Hole Inside Diameter

160mm Outside Diameter

37.2mm Inside Diameter

24mm Adjacent Mounting Hole Center To Center Distance

48mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-515-3M
Replaces same size disc brake rotors that have three holes with 41.6mm Adjacent Mounting Hole center to center distance.
$19.95


160mm Disc Brake Rotor
160mm (6-3/8") disc brake rotor with six hole mounting pattern. Machined braking surface areas.

3mm Thickness

6 Mounting Holes

6.5mm Mounting Hole Inside Diameter

160mm Outside Diameter

37.2mm Inside Diameter

24mm Adjacent Mounting Hole Center To Center Distance

48mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-516-3M
Replaces same size disc brake rotors that have three holes with 41.6mm Adjacent Mounting Hole center to center distance.
$19.95


160mm Disc Brake Rotor
160mm (6-3/8") disc brake rotor with six hole mounting pattern. Machined braking surface areas. Compatible with brake rotor adapter BRK-142 and BRK-149 sold below.

2mm Thickness

6 Mounting Holes

5.5mm Mounting Hole Inside Diameter

160mm Outside Diameter

37.2mm Inside Diameter

24mm Adjacent Mounting Hole Center To Center Distance

48mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-518-2M
$16.95


160mm Disc Brake Rotor
160mm (6-3/8") disc brake rotor with six hole mounting pattern. Machined braking surface areas.

2mm Thickness

3 Mounting Holes

6.5mm Mounting Hole Inside Diameter

160mm Outside Diameter

37.2mm Inside Diameter

41.6mm Adjacent Mounting Hole Center To Center Distance

48mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-520-2M
$16.95


160mm Disc Brake Rotor
160mm (6-3/8") disc brake rotor with six hole mounting pattern. Machined braking surface areas.

2mm Thickness

6 Mounting Holes

5.5mm Mounting Hole Inside Diameter

160mm Outside Diameter

33.7mm Inside Diameter

22mm Adjacent Mounting Hole Center To Center Distance

44mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-522-2M
$16.95


180mm Disc Brake Rotor with 48mm Bolt Circle Diameter
180mm (7-1/16") disc brake rotor with six hole mounting pattern. Machined braking surface areas. Compatible with brake rotor adapter BRK-142 and BRK-149 sold below.

2mm Thickness

6 Mounting Holes

5.5mm Mounting Hole Inside Diameter

180mm Outside Diameter

37.2mm Inside Diameter

24mm Adjacent Mounting Hole Center To Center Distance

48mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-525-2M
$17.95


180mm Disc Brake Rotor with 44mm Bolt Circle Diameter
180mm (7-1/16") disc brake rotor with six hole mounting pattern. Machined braking surface areas.

2mm Thickness

6 Mounting Holes

5.5mm Mounting Hole Inside Diameter

180mm Outside Diameter

32mm Inside Diameter

22mm Adjacent Mounting Hole Center To Center Distance

44mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-530-2M
$17.95


180mm Disc Brake Rotor with 44mm Bolt Circle Diameter
180mm (7-1/16") disc brake rotor with twelve mounting holes however in most application four of the mounting holes are used. Machined braking surface areas.

5mm Thickness

12 Mounting Holes

8.5mm Mounting Hole Inside Diameter

180mm Outside Diameter

48mm Inside Diameter

48mm Adjacent Mounting Hole Center To Center Distance

68mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-R1024
$19.95


203mm Disc Brake Rotor
203mm (8") disc brake rotor with six hole mounting pattern. Machined braking surface areas.

2mm Thickness

6 Mounting Holes

5.5mm Mounting Hole Inside Diameter

203mm Outside Diameter

33.7mm Inside Diameter

22mm Adjacent Mounting Hole Center To Center Distance

44mm Bolt Circle Diameter (BCD)

Dimensional Drawing

Item # BRK-548-2M
$19.95

Disc Brake Rotor Hardware and Tools


Set of Six 5mm Disc Brake Rotor Mounting Bolts
Set of six 5mm disc brake rotor mounting bolts. These bolts have pre-applied blue threadlock on them to securely keep them in place.

T25 Bolt Head

Pre-Applied Blue Threadlock

5mm (M5x0.6) Diameter Threads

10mm Long Threads

Made from Hardened High Strength Steel

Black Powder Coated Anti-Corrosion Finish

Item # BRK-590
$1.00


T25 Disc Brake Rotor Mounting Bolt Tool
Disc brake rotor mounting bolt tool with dual T25 ends. Made from hardened high strength chrome-vanadium steel. 

T25 Tool Head

Made from CR-V High Strength Tool Steel

Hardened To Rockwell HRC 56-58

Item # BRK-593
$1.00


Set of Six 5mm Nickel-Plated Disc Brake Rotor Mounting Bolts
Set of six 5mm disc brake rotor mounting bolts.

3mm Hex (Allen) Bolt Head

5mm (M6x0.6) Diameter Threads

12mm Long Threads

Made from Hardened High Strength 10.9 Grade Steel

Nickel-Plated Anti-Corrosion Finish

Item # BRK-591
$1.00


Set of Three 6mm Disc Brake Rotor Mounting Bolts
Set of three 6mm disc brake rotor mounting bolts.

4mm Hex (Allen) Bolt Head

6mm (M6x1.0) Diameter Threads

16mm Long Threads

Made from Hardened High Strength 10.9 Grade Steel

Nickel-Plated Anti-Corrosion Finish

Item # BRK-595
$1.00


Set of Six 6mm Disc Brake Rotor Mounting Bolts
Set of three 6mm disc brake rotor mounting bolts.

4mm Hex (Allen) Bolt Head

6mm (M6x1.0) Diameter Threads

16mm Long Threads

Made from Grade 304 Stainless Steel

Item # BRK-596
$1.95


4mm Hex (Allen) Disc Brake Rotor Mounting Bolt Tool
Disc brake rotor mounting bolt tool with 4mm hex (Allen) ends. Made from hardened high strength chrome-vanadium steel.

4mm Hex (Allen) Tool Head

Made from CR-V High Strength Tool Steel

Hardened To Rockwell HRC 56-58
Item # BRK-598

$0.50

Disc Brake Rotor Wheel Adapters

M35x1.00
48mm BCD


Disc Brake Rotor Adapter with M35x1.00 Electric Scooter Wheel Hub Threads and 48mm Bolt Circle Diameter
Threaded disc brake rotor adapter for brake rotors with a six hole mounting pattern.

Six Threaded Rotor Mounting Holes For 5mm (M5x0.6) Mounting Bolts

Includes Six Nickel-Plated Grade 10.9 Hardened M5x0.6 Rotor Mounting Bolts

24mm Adjacent Rotor Mounting Hole Center To Center Distance

48mm Rotor Mounting Hole Bolt Circle Diameter (BCD)

M35x1.00 Clockwise (Right Hand) Wheel Hub Mounting Threads

M35x1.00 Clockwise Threads Are Used On Virtually All Electric Scooter Wheels Except For Currie Scooters (Currie, eZip, IZIP, Schwinn, Mongoose, and GT)

Dimensional Drawing

Item # BRK-142
$9.95

1.375"x24 TPI
44mm BCD


Disc Brake Rotor Adapter with 1.375" x 24 TPI Bicycle Wheel Hub Threads and 44mm Bolt Circle Diameter
Threaded disc brake rotor adapter for brake rotors with a six hole mounting pattern.

Six Threaded Rotor Mounting Holes For 5mm (M5x0.6) Mounting Bolts

Includes Six Nickel-Plated Grade 10.9 Hardened M5x0.6 Rotor Mounting Bolts

22mm Adjacent Rotor Mounting Hole Center To Center Distance

44mm Rotor Mounting Hole Bolt Circle Diameter (BCD)

1.375" x 24 TPI (ISO) Clockwise (Right Hand) Wheel Hub Mounting Threads

1.375" x 24 TPI (ISO) Clockwise Threads Are Used On Virtually All Modern Bicycle Wheels and on Currie Scooters (Currie, eZip, IZIP, Schwinn, Mongoose, and GT)

Dimensional Drawing

Item # BRK-146
$9.95

1.375"x24 TPI
48mm BCD


Disc Brake Rotor Adapter with 1.375" x 24 TPI Bicycle Wheel Hub Threads and 48mm Bolt Circle Diameter
Threaded disc brake rotor adapter for brake rotors with a six hole mounting pattern.

Six Threaded Rotor Mounting Holes For 5mm (M5x0.6) Mounting Bolts

Includes Six Nickel-Plated Grade 10.9 Hardened M5x0.6 Rotor Mounting Bolts

24mm Adjacent Rotor Mounting Hole Center To Center Distance

48mm Rotor Mounting Hole Bolt Circle Diameter (BCD)

1.375" x 24 TPI (ISO) Clockwise (Right Hand) Wheel Hub Mounting Threads

1.375" x 24 TPI (ISO) Clockwise Threads Are Used On Virtually All Modern Bicycle Wheels and on Currie Scooters (Currie, eZip, IZIP, Schwinn, Mongoose, and GT)

Dimensional Drawing

Item # BRK-149
$9.95

Disc Brake Rotor Axle Adapters


Brake Rotor or Sprocket Adapter with 44mm ISO Mounting Pattern for 5/8" Axle
This adapter allows an electric scooter or bicycle disc brake rotor with 44mm bolt circle diameter to be mounted to an axle. Compatible with BRK-506-2M, BRK-508-2M, BRK-522-2M, BRK-538-2M, and BRK-548-2M brake rotors listed above.

5/8" ID

2-1/8" OD

3/4" Wide

3/16" Keyway

Two Set Screws

Made from Zinc-Plated Steel

44mm Bolt Circle Diameter (BCD)

Six 5mm ID Bolt Holes

44mm ISO Disc Brake Rotor Mounting Pattern

Item # BRK-ADAPTER163
$34.95


Brake Rotor or Sprocket Adapter with 44mm ISO Mounting Pattern for 3/4" Axle
This adapter allows an electric scooter or bicycle disc brake rotor with 44mm bolt circle diameter to be mounted to an axle. Compatible with BRK-506-2M, BRK-508-2M, BRK-522-2M, BRK-538-2M, and BRK-548-2M brake rotors listed above.

3/4" ID

2-1/8" OD

3/4" Wide

3/16" Keyway

Two Set Screws

Made from Zinc-Plated Steel

44mm Bolt Circle Diameter (BCD)

Six 5mm ID Bolt Holes

44mm ISO Disc Brake Rotor Mounting Pattern

Item # BRK-ADAPTER164
$34.95


Brake Rotor or Sprocket Adapter with 44mm ISO Mounting Pattern for 1" Axle
This adapter allows an electric scooter or bicycle disc brake rotor with 44mm bolt circle diameter to be mounted to an axle. Compatible with BRK-506-2M, BRK-508-2M, BRK-522-2M, BRK-538-2M, and BRK-548-2M brake rotors listed above.

1" ID

2-1/8" OD

3/4" Wide

1/4" Keyway

Two Set Screws

Made from Zinc-Plated Steel

44mm Bolt Circle Diameter (BCD)

Six 5mm ID Bolt Holes

44mm ISO Disc Brake Rotor Mounting Pattern

Item # BRK-ADAPTER165
$34.95


Set of Six 5mm Nickel-Plated Disc Brake Rotor Mounting Bolts with Locknuts for BRK-ADAPTER16 Series Axle Adapters
Set of six 5mm disc brake rotor mounting bolts with locknuts. Compatible with BRK-ADAPTER164 and BRK-ADAPTER165 listed above.

3mm Hex (Allen) Bolt Head

5mm (M5x0.6) Diameter Threads

30mm Long Threads

Made from Hardened High Strength 10.9 Grade Steel

Nickel-Plated Anti-Corrosion Finish

Item # BRK-592
$1.95


Brake Rotor or Sprocket Adapter with R34 Mounting Pattern for 5/8" Axle
This adapter allows an electric scooter or bicycle disc brake rotor with R34 mounting pattern to be installed on an axle. Compatible with BRK-509-2M and BRK-513-2M brake rotors listed above.

5/8" ID.

1-9/10" OD.

3/4" wide.

3/16" keyway.

Two set screws.

Made from zinc plated steel.

39mm bolt circle diameter (BCD).

Adjacent bolt holes are 33.77mm apart center to center.

R34 Mounting Pattern

Item # BRK-ADAPTER58
$29.95


Brake Rotor or Sprocket Adapter with R34 Mounting Pattern for 3/4" Axle
This adapter allows an electric scooter or bicycle disc brake rotor with R34 mounting pattern to be installed on an axle. Compatible with BRK-509-2M and BRK-513-2M brake rotors listed above.

3/4" ID.

1-9/10" OD.

3/4" wide.

3/16" keyway.

Two set screws.

Made from zinc plated steel.

39mm bolt circle diameter (BCD).

Adjacent bolt holes are 33.77mm apart center to center.

R34 Mounting Pattern

Item # BRK-ADAPTER34
$29.95


Brake Rotor or Sprocket Adapter with R34 Mounting Pattern for 1" Axle
This adapter allows an electric scooter or bicycle disc brake rotor with R34 mounting pattern to be installed on an axle. Compatible with BRK-509-2M and BRK-513-2M brake rotors listed above.

1" ID.

1-9/10" OD.

3/4" wide.

1/4" keyway.

Two set screws.

Made from zinc plated steel.

39mm bolt circle diameter (BCD).

Adjacent bolt holes are 33.77mm apart center to center.

R34 Mounting Pattern

Item # BRK-ADAPTER10
$29.95


Set of Three 16mm Length M6x1.00 Socket Head Screws
Set of six 5mm disc brake rotor mounting bolts with locknuts. Compatible with BRK-ADAPTER58, BRK-ADAPTER34, and BRK-ADAPTER10 listed above.

4mm Hex (Allen) Bolt Head

6mm (M6x1.00) Clockwise (Right Hand) Threads

16mm Thread Length

Made from Hardened High Strength 10.9 Grade Steel

Nickel-Plated Anti-Corrosion Finish

Item # HDW-B616-3PCS
$1.00

Related Items: Disc Brake Calipers | Brake Levers | Brake Cables | Brake Hardware | Brake Switches

We carry disc brake disc brake rotors, disc brake rotor mounting hardware, and disc brake rotor wheel hub mounting adapters for electric scooters, electric mopeds, electric go karts, electric bicycles, electric dirt bikes, electric sports bikes, electric pocket bikes, and most other types of small and light electric vehicles.

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