Car part

Brake discs Peugeot 308 Mk1 1.4 16V 95 hp Petrol

Manufacturer
More
QUINTON HAZELL BDC5597
Article №: BDC5597
Brake disc QUINTON HAZELL BDC5597 Rear Axle, 249x9mm, 4x108, solid
Details
  • Fitting Position: Rear Axle
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Number of Holes: 4
  • Bolt Hole Circle Ø [mm]: 108
  • Brake Disc Thickness [mm]: 9
  • Minimum thickness [mm]: 8
  • Centering Diameter [mm]: 56
  • Height [mm]: 73,3
  • Supplementary Article / Supplementary Info Info 2: with integrated wheel bearing, with integrated magnetic sensor ring
  • Drilled: no
  • Condition: New
More
£ 43,49
incl. 20% VAT, free delivery
Free delivery
In stock
Details
VALEO 186693
Article №: 186693
Brake disc VALEO 186693 Front Axle, 283x26mm, 4, Vented
Details
  • Fitting Position: Front Axle
  • Diameter [mm]: 283
  • Brake Disc Type: Vented
  • Rim Hole Number: 4
  • Brake Disc Thickness [mm]: 26
  • Minimum thickness [mm]: 24
  • Centering Diameter [mm]: 66
  • Height [mm]: 34
  • Weight [kg]: 14,06
  • Number of mounting bores: 2
  • Test Mark: ECE-R90
  • Supplementary Article / Supplementary Info Info 2: without bolts/screws, without ABS sensor ring, without integrated wheel bearing
  • Drilled: no
  • Condition: New
More
£ 58,49
incl. 20% VAT, excl. delivery costs
In stock
Details
BREMBO 09.9619.75
Article №: 09.9619.75
Brake disc BREMBO Xtra 09.9619.75 Front Axle, 283x26mm, 4, internally vented, slotted
Details
    • Fitting Position: Front Axle
    • Brake System: Bosch
  • Product line: Xtra
  • Diameter [mm]: 283
  • Brake Disc Type: internally vented, slotted
  • Number of Holes: 4
  • Brake Disc Thickness [mm]: 26
  • Minimum thickness [mm]: 24
  • Centering Diameter [mm]: 66
  • Height [mm]: 34
  • Surface: Coated
  • Tightening Torque [Nm]: 90
  • Supplementary Article / Supplementary Info Info 2: with bolts/screws
  • Drilled: no
  • Condition: New
More
£ 60,49
incl. 20% VAT, excl. delivery costs
In stock
Details
MAPCO 15341 Brake discs 308 Mk1 1.4 16V Petrol 95 hp 2011 price
+ 2
MAPCO 15341
Article №: 15341
Brake disc MAPCO 15341 Rear Axle, 249x9mm, 4, solid
Details
  • Fitting Position: Rear Axle
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Construction Year to: 07/2013
  • Rim Hole Number: 4
  • Brake Disc Thickness [mm]: 9
  • Centering Diameter [mm]: 56
  • Stub Axle Diameter [mm]: 30
  • Height [mm]: 74,5
  • Supplementary Article / Supplementary Info Info 2: with wheel bearing, with ABS sensor ring
  • Drilled: no
  • Condition: New
More
£ 71,49
incl. 20% VAT, excl. delivery costs
In stock
Details
BREMBO 09.8760.1X
Article №: 09.8760.1X
Brake disc BREMBO Xtra 09.8760.1X Front Axle, 283x26mm, 4, perforated/vented
Details
  • Product line: Xtra
  • Fitting Position: Front Axle
  • Diameter [mm]: 283
  • Brake Disc Type: perforated/vented
  • Number of Holes: 4
  • Brake Disc Thickness [mm]: 26
  • Minimum thickness [mm]: 24,5
  • Centering Diameter [mm]: 66
  • Height [mm]: 34
  • Surface: Coated
  • Tightening Torque [Nm]: 90
  • Machining: High-carbon
  • Supplementary Article / Supplementary Info Info 2: with bolts/screws
  • Drilled: yes
  • Condition: New
More
£ 73,49
incl. 20% VAT, excl. delivery costs
In stock
Details
BREMBO 08.A858.17 Brake rotors PEUGEOT 308 I Hatchback (4A, 4C) 1.4 16V Petrol 95 hp EP3
Article №: 08.A858.17
Brake disc BREMBO Prime 08.A858.17 Rear Axle, 249x9mm, 4, solid
Details
  • Product line: Prime
  • Fitting Position: Rear Axle
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Number of Holes: 4
  • Brake Disc Thickness [mm]: 9
  • Minimum thickness [mm]: 7
  • Centering Diameter [mm]: 30
  • Height [mm]: 73
  • Tightening Torque [Nm]: 90
  • Supplementary Article / Supplementary Info Info 2: with wheel bearing kit, with ABS sensor ring
  • Drilled: no
  • Condition: New
More
£ 74,49
incl. 20% VAT, excl. delivery costs
In stock
Details
SAMKO P1011PCA Brake disc Peugeot 308 Mk1 1.4 16V Petrol 95 hp EP3
Article №: P1011PCA
Brake disc SAMKO P1011PCA Rear Axle, 249, solid
Details
  • Fitting Position: Rear Axle
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Minimum thickness [mm]: 7
  • Height [mm]: 73,2
  • Tightening Torque [Nm]: 300
  • Supplementary Article / Supplementary Info: with accessories
  • Supplementary Article / Supplementary Info Info 2: with wheel bearing kit, with ABS sensor ring
  • Drilled: no
  • Condition: New
More
£ 76,49
incl. 20% VAT, excl. delivery costs
In stock
Details
JURID 562450JC-1 Brake rotors 308 Mk1 1.4 16V Petrol 95 hp 2007 price
+ 2
JURID 562450JC-1 Rotors 308 Mk1 1.4 16V Petrol 95 hp EP3
Article №: 562450JC-1
Brake disc JURID 562450JC-1 Rear Axle, 249x9mm, 4x108, solid
Details
    • Fitting Position: Rear Axle
    • Paired product: 573032J
    • Brake Type: Brake Disc with bearing
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Number of Holes: 4
  • Bolt Hole Circle Ø [mm]: 108
  • Brake Disc Thickness [mm]: 9
  • Minimum thickness [mm]: 7
  • Centering Diameter [mm]: 55,9
  • Brake System: TRW
  • Height [mm]: 73,2
  • Weight [kg]: 10,8
  • Surface: Coated
  • Tightening Torque [Nm]: 90
  • Version: JC
  • Supplementary Article / Supplementary Info Info 2: with ABS sensor ring, with wheel bearing
  • Packing Type: Box
  • Packaging width [cm]: 26
  • Packaging height [cm]: 9
  • Drilled: no
  • Condition: New
More
£ 76,99
incl. 20% VAT, excl. delivery costs
In stock
Details
SNR KF159.54U Disc brakes PEUGEOT 308 I Hatchback (4A_, 4C_) 1.4 16V Petrol 95 hp EP3
Article №: KF159.54U
Brake disc SNR KF159.54U Rear Axle Right, Rear Axle Left, 249x9mm, 4, solid
Details
  • Fitting Position: Rear Axle Right, Rear Axle Left
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Number of Holes: 4
  • Brake Disc Thickness [mm]: 9
  • Minimum thickness [mm]: 8
  • Inner Diameter 2 [mm]: 30
  • Surface: Painted
  • Tightening Torque [Nm]: 300
  • Brake Type: Disc Brake
  • Mounting points diameter [mm]: 12
  • Width 1 [mm]: 73
  • Supplementary Article / Supplementary Info Info 2: with rubber mount, with rolling bearing
  • Article number of the recommended special tool: Clas : OM4217, Clas : OM8154, Hazet : 4970/9, Clas : OM 4217
  • Drilled: no
  • Condition: New
More
Inside the package:
  • Wheel Bearing 1
  • Protection Lid, wheel hub 1
  • Filler Cap, axle cap 1
  • Circlip, kingpin 1
  • Nut, wheel hub 1
More
£ 77,49
incl. 20% VAT, excl. delivery costs
In stock
Details
SKF VKBD 1017 Brake discs PEUGEOT 308 I Hatchback (4A, 4C) 1.4 16V Petrol 95 hp EP3
Article №: VKBD 1017
Brake disc SKF VKBD1017 Rear Axle, 249x9mm, 4, solid
Details
    • Fitting Position: Rear Axle
    • Required quantity: 2
    • not suited for vehicle type: Estate
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Rim Hole Number: 4
  • Brake Disc Thickness [mm]: 9
  • Height [mm]: 73,2
  • Supplementary Article / Supplementary Info Info 2: with integrated wheel bearing, with integrated magnetic sensor ring
  • Drilled: no
  • Condition: New
More
Inside the package:
  • Brake Disc 1
  • Nut 1
  • Circlip 1
  • Sealing/Protective Cap 1
  • Sensor Ring, ABS 1
  • Bearing 1
More
£ 77,49
incl. 20% VAT, excl. delivery costs
In stock
Details
ZIMMERMANN 440.3106.52 Brake rotors Peugeot 308 Mk1 1.4 16V Petrol 95 hp 2012 price
+ 2
ZIMMERMANN SPORT COAT Z 440.3106.52 for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: 440.3106.52
Brake disc ZIMMERMANN SPORT COAT Z 440.3106.52 Front Axle, 283x26mm, 6/4, 4x108, Externally Vented, Perforated
Details
  • Product line: SPORT COAT Z
  • Fitting Position: Front Axle
  • Diameter [mm]: 283
  • Brake Disc Type: Externally Vented, Perforated
  • Rim Hole Number: 4
  • Hole Arrangement/Number: 6/4
  • Bolt Hole Circle Ø [mm]: 108
  • Brake Disc Thickness [mm]: 26
  • Minimum thickness [mm]: 24
  • Centering Diameter [mm]: 66
  • Wheel Hub Diameter [mm]: 82
  • Height [mm]: 34
  • Weight [kg]: 6,7
  • Surface: Coated
  • Test Mark: ECE R90 APPROVED
  • Drilled: yes
  • Condition: New
More
£ 78,99
incl. 20% VAT, excl. delivery costs
In stock
Details
VALEO 675412 for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: 675412
Brake disc VALEO 675412 Rear Axle, 249x9mm, 4, solid
Details
  • Fitting Position: Rear Axle
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Rim Hole Number: 4
  • Brake Disc Thickness [mm]: 9
  • Minimum thickness [mm]: 8
  • Centering Diameter [mm]: 62
  • Height [mm]: 73
  • Weight [kg]: 5,75
  • Surface: Coated
  • Supplementary Article / Supplementary Info Info 2: with screw, with ABS sensor ring, with integrated wheel bearing
  • Drilled: no
  • Condition: New
More
£ 78,99
incl. 20% VAT, excl. delivery costs
In stock
Details
SNR KF159.61U for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: KF159.61U
Brake disc SNR KF159.61U Rear Axle Right, Rear Axle Left, 249x9mm, 4, solid
Details
  • Fitting Position: Rear Axle Right, Rear Axle Left
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Number of Holes: 4
  • Brake Disc Thickness [mm]: 9
  • Minimum thickness [mm]: 8
  • Inner Diameter 2 [mm]: 30
  • Surface: Painted
  • Tightening Torque [Nm]: 300
  • Brake Type: Disc Brake
  • Mounting points diameter [mm]: 12
  • Width 1 [mm]: 73
  • Supplementary Article / Supplementary Info Info 2: with integrated magnetic sensor ring, with rolling bearing
  • Article number of the recommended special tool: Clas : OM4217, Clas : OM8154, Clas : OM 4217
  • Drilled: no
  • Condition: New
More
Inside the package:
  • Brake Disc 1
  • Wheel Bearing 1
  • Protection Lid, wheel hub 1
  • Filler Cap, axle cap 1
  • Circlip, kingpin 1
  • Nut, wheel hub 1
More
£ 79,49
incl. 20% VAT, excl. delivery costs
In stock
Details
BLUE PRINT ADP154351 Brake rotors PEUGEOT 308 I Hatchback (4A, 4C) 1.4 16V Petrol 95 hp 2009 price
+ 2
BLUE PRINT ADP154351 for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: ADP154351
Brake disc BLUE PRINT ADP154351 Rear Axle, 249x9mm, 4x108, solid
Details
  • Fitting Position: Rear Axle
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Rim Hole Number: 4
  • Bolt Hole Circle Ø [mm]: 108
  • Thickness [mm]: 73
  • Brake Disc Thickness [mm]: 9
  • Minimum thickness [mm]: 8
  • Centering Diameter [mm]: 64,8
  • Weight [kg]: 5,41
  • Surface: Oiled
  • Observe service information
  • Supplementary Article / Supplementary Info Info 2: with grease cap, with ABS sensor ring
  • Drilled: no
  • Condition: New
More
£ 81,49
incl. 20% VAT, excl. delivery costs
In stock
Details
JP GROUP 4163202500 Brake disc Peugeot 308 Mk1 1.4 16V Petrol 95 hp 2008 price
+ 2
JP GROUP 4163202500 for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: 4163202500
Brake disc JP GROUP 4163202500 Rear Axle, 249x9mm, 4, solid
Details
  • Fitting Position: Rear Axle
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Number of Holes: 4
  • Brake Disc Thickness [mm]: 9
  • Minimum thickness [mm]: 7
  • Height [mm]: 73
  • Surface: Coated
  • Supplementary Article / Supplementary Info Info 2: with wheel bearing kit, with ABS sensor ring
  • Condition: New
More
£ 81,99
incl. 20% VAT, excl. delivery costs
In stock
Details
DELPHI BG9116RS for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: BG9116RS
Brake disc DELPHI BG9116RS Rear Axle, 249x9mm, 4, solid
Details
  • Fitting Position: Rear Axle
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Number of Holes: 4
  • Brake Disc Thickness [mm]: 9
  • Minimum thickness [mm]: 7
  • Centering Diameter [mm]: 30
  • Height [mm]: 74,3
  • Surface: Oiled
  • Test Mark: E1 90R-02C0543/1778
  • Supplementary Article / Supplementary Info Info 2: with wheel bearing, with ABS sensor ring
  • Drilled: no
  • Condition: New
More
£ 86,49
incl. 20% VAT, excl. delivery costs
In stock
Details
BREMBO Xtra 09.9619.1X for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: 09.9619.1X
Brake disc BREMBO Xtra 09.9619.1X Front Axle, 283, 4, perforated/vented
Details
    • Fitting Position: Front Axle
    • Brake System: Bosch
  • Product line: Xtra
  • Diameter [mm]: 283
  • Brake Disc Type: perforated/vented
  • Number of Holes: 4
  • Minimum thickness [mm]: 24,5
  • Centering Diameter [mm]: 66
  • Height [mm]: 34
  • Surface: Coated
  • Tightening Torque [Nm]: 90
  • Machining: High-carbon
  • Supplementary Article / Supplementary Info Info 2: with bolts/screws
  • Drilled: yes
  • Condition: New
More
£ 86,94
incl. 20% VAT, excl. delivery costs
In stock
Details
FEBI BILSTEIN 32783 for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: 32783
Brake disc FEBI BILSTEIN 32783 Rear Axle, 249x9mm, 4x108, solid
Details
  • Fitting Position: Rear Axle
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Rim Hole Number: 4
  • Bolt Hole Circle Ø [mm]: 108
  • Thickness [mm]: 73
  • Brake Disc Thickness [mm]: 9
  • Minimum thickness [mm]: 8
  • Centering Diameter [mm]: 64,8
  • Weight [kg]: 5,41
  • Surface: Oiled
  • Observe service information
  • Supplementary Article / Supplementary Info Info 2: with ABS sensor ring, with grease cap
  • Drilled: no
  • Condition: New
More
£ 86,99
incl. 20% VAT, excl. delivery costs
In stock
Details
SKF VKBD 1016 for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: VKBD 1016
Brake disc SKF VKBD1016 Rear Axle, 267,7x12mm, 4, solid
Details
    • Fitting Position: Rear Axle
    • Body Type: Estate
  • Diameter [mm]: 267,7
  • Brake Disc Type: solid
  • Rim Hole Number: 4
  • Brake Disc Thickness [mm]: 12
  • Height [mm]: 73,2
  • Supplementary Article / Supplementary Info Info 2: with integrated wheel bearing, with integrated magnetic sensor ring
  • Drilled: no
  • Condition: New
More
Inside the package:
  • Brake Disc 1
  • Nut 1
  • Circlip 1
  • Sealing/Protective Cap 1
  • Sensor Ring, ABS 1
  • Bearing 1
More
£ 87,49
incl. 20% VAT, excl. delivery costs
In stock
Details
QUARO QD8486 for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: QD8486
Brake disc QUARO QD8486 Rear Axle, 249x9mm, 4x108, solid
Details
  • Fitting Position: Rear Axle
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Number of Holes: 4
  • Bolt Hole Circle Ø [mm]: 108
  • Brake Disc Thickness [mm]: 9
  • Minimum thickness [mm]: 8
  • Centering Diameter [mm]: 55,9
  • Stub Axle Diameter [mm]: 30
  • Height [mm]: 74,3
  • Surface: Painted, Coated
  • Supplementary Article / Supplementary Info Info 2: with wheel hub, with wheel bearing, with integrated magnetic sensor ring, without wheel studs
  • Packaging length [cm]: 30
  • Packaging width [cm]: 28,5
  • Packaging height [cm]: 10
  • Drilled: no
  • Condition: New
More
£ 93,99
incl. 20% VAT, excl. delivery costs
In stock
Details
TRISCAN 8120 28126C Brake disc PEUGEOT 308 I Hatchback (4A_, 4C_) 1.4 16V Petrol 95 hp 2010 price
+ 2
TRISCAN COATED 8120 28126C for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: 8120 28126C
Brake disc TRISCAN COATED 812028126C Rear Axle, 249x9mm, 4, solid
Details
  • Product line: COATED
  • Fitting Position: Rear Axle
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Number of Holes: 4
  • Brake Disc Thickness [mm]: 9
  • Minimum thickness [mm]: 8
  • Inner Diameter [mm]: 30
  • Height [mm]: 74,5
  • Manufacturer Restriction: TRW
  • Brake Type: Brake Disc with bearing
  • Supplementary Article / Supplementary Info Info 2: with integrated ABS sensor
  • Drilled: no
  • Condition: New
More
£ 100,49
incl. 20% VAT, excl. delivery costs
In stock
Details
MASTER-SPORT 24012601201PR-SET-MSP for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: 24012601201PR-SET-MSP
Brake disc MASTER-SPORT 24012601201PR-SET-MSP Front Axle, 283x26mm, 4x108, Vented
Details
  • Fitting Position: Front Axle
  • Diameter [mm]: 283
  • Brake Disc Type: Vented
  • Number of Holes: 4
  • Construction Year to: 07/2013
  • Bolt Hole Circle Ø [mm]: 108
  • Brake Disc Thickness [mm]: 26
  • Minimum thickness [mm]: 24
  • Centering Diameter [mm]: 66
  • Inner Diameter [mm]: 133,5
  • Height [mm]: 34,2
  • Surface: Coated
  • Required quantity: 1
  • Bore Diameter [mm]: 13
  • Net weight [kg]: 13,87
  • Condition: New
More
£ 102,99
incl. 20% VAT, excl. delivery costs
In stock
Details
TOPRAN 722 599 for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: 722 599
Brake disc TOPRAN 722599 Rear Axle, 249x9mm, 4x108, solid
Details
  • Fitting Position: Rear Axle
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Rim Hole Number: 4
  • Bolt Hole Circle Ø [mm]: 108
  • Brake Disc Thickness [mm]: 9
  • Centering Diameter [mm]: 65
  • Hub Diameter [mm]: 149
  • Height [mm]: 74,3
  • Surface: Coated
  • Replace in pairs only
  • Supplementary Article / Supplementary Info Info 2: with ball bearing, with ABS sensor ring
  • Drilled: no
  • Condition: New
More
£ 109,49
incl. 20% VAT, excl. delivery costs
In stock
Details
CIFAM 800-1394 for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: 800-1394
Brake disc CIFAM 800-1394 Rear Axle, 249,0x9,0mm, 4, solid
Details
    • Fitting Position: Rear Axle
    • Vehicle Equipment: for vehicles without electric parking brake
  • Diameter [mm]: 249,0
  • Brake Disc Type: solid
  • Number of Holes: 4
  • Brake Disc Thickness [mm]: 9,0
  • Centering Diameter [mm]: 65,0
  • Height [mm]: 73,2
  • Test Mark: ECE-R90
  • Supplementary Article / Supplementary Info Info 2: with ABS sensor ring, with wheel bearing
  • Drilled: no
  • Condition: New
More
£ 112,49
incl. 20% VAT, excl. delivery costs
In stock
Details
MOTAQUIP LVBD1310 for 308 I Hatchback 4A_, 4C_ 1.4 16V EP3 70 kW Petrol
Article №: LVBD1310
Brake disc MOTAQUIP LVBD1310 Rear Axle, 249x9mm, 4, solid
Details
  • Fitting Position: Rear Axle
  • Diameter [mm]: 249
  • Brake Disc Type: solid
  • Number of Holes: 4
  • Brake Disc Thickness [mm]: 9
  • Minimum thickness [mm]: 7
  • Centering Diameter [mm]: 30
  • Height [mm]: 73
  • Weight [kg]: 5,62
  • Surface: Coated
  • Supplementary Article / Supplementary Info Info 2: with ABS sensor ring, with wheel bearing, with integrated ABS sensor
  • Condition: New
More
£ 128,49
incl. 20% VAT, excl. delivery costs
In stock
Details

Showing 25 out of 281 products

Show the next items
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • ...
  • 11
  • 12
  • Pay with PayPal Brake rotors Peugeot 308 Mk1 1.4 16V EP3 (70 kW)
  • Pay with Visa Brake disc Peugeot 308 Mk1 1.4 16V EP3 (95 hp / 70 kW)
  • Pay with Mastercard Peugeot 308 Mk1 1.4 16V EP3 95 hp Brake disc
  • Pay with Discover Peugeot 308 Mk1 1.4 16V EP3 95 hp Petrol Rotors
  • Pay with American Express Rotors Peugeot 308 I Hatchback (4A, 4C) 1.4 16V EP3 70 kW Petrol
  • Pay with Bank Transfer Peugeot 308 I Hatchback (4A_, 4C_) 1.4 16V 95 hp Disc brakes