Description

C-TEK(R) rotor & drums establish the foundation of the Centric offering. The C-TEK(R) line serves as an affordable OE replacement. All C-TEK(R) rotors and drums are protected on the shelf by a rust preventative oil.

Product Overview

C-TEK(R) rotor & drums establish the foundation of the Centric offering. The C-TEK(R) line serves as an affordable OE replacement. All C-TEK(R) rotors and drums are protected on the shelf by a rust preventative oil.

Features and Benefits

• OE Vane Design & Plate Thickness
• Optimal Surface Finish
• For consistent stopping power
• Low Initial Lateral Run-Out and Disc-Thickness Variation
• For smooth, vibration free stopping
• Precision Balanced
• For vibration free performance

Product Details

ABS Tone Ring Included:	No
Bearings Included:	No
California Proposition 65 Site [basic]:	https://www.p65warnings.ca.gov/
California Proposition 65 Text [cntrc]:	WARNING: Cancer and Reproductive Harm
Center Hole Diameter:	2.677
Description:	C-Tek Standard Brake Rotor
Disc Mounting [cntrc]:	Floating
Discard Thickness:	30
Hat Finish:	Bare
Misc Holes [cntrc]:	1
Mounting Bolt Hole Circle Diameter:	114.300
Nominal Thickness:	32
Outside Diameter:	355
Overall Height:	1.937
Part Number:	sto121.42100
Product Grade [cntrc]:	Standard
Solid Or Vented Type Rotor:	Vented
Stud/Lug Hole Diameter:	0.504
Stud/Lug Hole Quantity:	5
Surface Type:	Smooth
Vane Style [cntrc]:	Straight
Weight [cntrc] kgs:	13.910
Weight [cntrc] lbs:	30.600

Kit Options

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb	SKU	Kit Title
	sto908.42005	Centric OE Grade Front Brake Kit (2 Wheel) (1x sto301.13460, 2x sto121.42100)
	sto905.42006	Centric OE Grade Front & Rear Brake Kit (4 Wheel) (2x sto121.42105, 1x sto301.13460, 1x sto301.13470, 2x sto121.42100)
	sto905.42013	Centric OE Grade Front & Rear Brake Kit (4 Wheel) (2x sto121.42101, 1x sto301.13460, 1x sto301.13470, 2x sto121.42100)
	sto903.42013	(2x sto121.42101, 1x sto105.13460, 1x sto105.13470, 2x sto121.42100)

Data: v4.2 - Upd: 2026-09-30 16:26:54

Features

Specifications

Product Attributes - Brand

Centric Parts

Product Attributes - Manufacturer's Part Number

121.42100

Product Attributes - Part Type

Brake Rotors

Product Attributes - Product Line

Centric C-Tek Standard Brake Rotors

Product Attributes - UPC

805890499190

Product Attributes - Intended for Street Use

Yes

Product Attributes - For Use with Stock Calipers

Yes

Product Attributes - Rotor Construction

Vented

Product Attributes - Rotor Style

Solid surface

Product Attributes - Rotor Outside Diameter (in.)

13.97 in.

Product Attributes - Nominal Thickness (in.)

1.260

Product Attributes - Rotor Material

Iron

Product Attributes - Rotor Finish

Natural

Product Attributes - Quantity

Sold individually.

Compatibility