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:	2.524
Description:	C-Tek Standard Brake Rotor
Disc Mounting [cntrc]:	Floating
Discard Thickness:	20.4
Hat Finish:	Bare
Hat ID [cntrc] in:	5.528
Hat ID [cntrc] mm:	140.400
Misc Holes [cntrc]:	1
Mounting Bolt Hole Circle Diameter:	3.937
Nominal Thickness:	21.9
Outside Diameter:	294
Overall Height:	1.760
Part Number:	sto121.34101
Product Grade [cntrc]:	Standard
Solid Or Vented Type Rotor:	Vented
Stud/Lug Hole Diameter:	0.638
Stud/Lug Hole Quantity:	4
Surface Type:	Smooth
Vane Style [cntrc]:	Straight
Weight [cntrc] kgs:	7.050
Weight [cntrc] lbs:	15.500

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
	sto908.34053	Centric OE Grade Front Brake Kit (2 Wheel) (1x sto300.12040, 2x sto121.34101)
	sto905.34078	Centric OE Grade Front & Rear Brake Kit (4 Wheel) (1x sto300.10600, 1x sto300.12040, 2x sto121.34101, 2x sto121.34094)
	sto905.34080	Centric OE Grade Front & Rear Brake Kit (4 Wheel) (1x sto300.12040, 1x sto300.13090, 2x sto121.34101, 2x sto121.34094)
	sto905.34081	Centric OE Grade Front & Rear Brake Kit (4 Wheel) (2x sto121.34113, 1x sto300.12040, 1x sto300.13090, 2x sto121.34101)

Data: v4.2 - Upd: 2026-10-13 20:49:43

Features

Specifications

Product Attributes - Brand

Centric Parts

Product Attributes - Manufacturer's Part Number

121.34101

Product Attributes - Part Type

Brake Rotors

Product Attributes - Product Line

Centric C-Tek Standard Brake Rotors

Product Attributes - UPC

805890453154

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.)

11.57 in.

Product Attributes - Brake Rotor Bolt Pattern (mm)

4 x 100.00mm

Product Attributes - Nominal Thickness (mm)

21.90

Product Attributes - Discard Thickness (mm)

20.40

Product Attributes - Rotor Material

Iron

Product Attributes - Rotor Finish

Natural

Product Attributes - Quantity

Sold individually.

Compatibility