BETA RR390 4T ENDURO EFI 2023
Calculate Spring Rates
This is a recommendation only please consult your manual
Ideal Fork Rate:
kg/mm ( N/mm)
Ideal Shock Rate:
kg/mm ( N/mm)
Bike Details
Bike Type
OFFROAD
Ideal Rider Weight
75 kg
Engine Specifications
4 Stroke Engine 385.6 cc
Forks Info
Fork Manufacturer
- Sachs USD 48 mm OD
Fork Dimensions
- Compression Nut Torque
- 48 in-lb (0.56 kgf-m)
- Fork Travel
- 300 mm
Fork Features
- Twin Chamber Fork
- No
Fork Oil
- Fork Oil Weight
- SAE 5
- Fork Oil Level
- 130 mm
- Oil Quanity
- 2 Litres
Fork Spring Information
- Standard Preload
- 10 mm
Shocks Info
Shock Manufacturer
- Sachs
- 46 mm ID
Shock Dimensions
- Nitrogen Pressure
- 175 psi
- Shock Travel
- 135 mm
- Shock Shaft Outer Diameter
- 16 mm
- Standard Sag
- 100 mm
- Shaft Nut Torque
- 25 ft-lbs (34 NM)
- Shock Oil
- 5 Weight
- Wheel Travel
- 290 mm
Shock Features
- Non-rebuildable
- No
Xtrig PHDS OEM KTM Beta Sherco for 28.6mm handlebar. M10
For OEM KTM Gas Gas Husqvarna Beta Sherco(SKU: 50100008)
Handlebar Diameter D (mm): 28.6
$330.00
5 In Stock
5 In Stock
KoubaLink Lowering Link Beta RR / RS / X-Trainer 10+ - 40mm
Lowering amounts indicate REAR lowering - NOT bike heigh(SKU: BETA10-2)
Seat Height Change (mm): -40
$270.00
1 In Stock
1 In Stock
Krooztune BETA RR RS XTRAINER 2T & 4T
Proudly made in Australia(SKU: KT-BETALL30)
Seat Height Change (mm): -30
$219.95
2 In Stock
2 In Stock
Xtrig Shock Preload Adjuster ZF Beta RR 2T and 4T 2019-2024
Quickly adjust shock spring preload(SKU: 10600004)
$279.95
Special Order
Special Order
From $5,912.68
Click for Details
$5,912.68
Custom Order Order Now
Custom Order Order Now
Custom build by KYB Europe for every order. Usually 3-6 weeks depending on component availability
From $3,328.62
Click for Details
$3,328.62
Custom Order Order Now
Custom Order Order Now
Custom build by KYB Europe for every order. Usually 3-6 weeks depending on component availability
Xtrig ROCS Pro Triple Clamps Beta RR 2T and 4T 2016-2024
Adjustable offset(SKU: 40601001)
Colour: X-Trig Brown
Offset (mm): 20-23
$880.00
Special Order
Special Order
Eibach EMS Moto Fork Springs 43.2 x 455 (43.5-453)
43.2mm OD x 455mm Free Length(SKU: 967)
$249.94
Special Order
Special Order
$249.94
Special Order
Special Order
$249.94
1 In Stock
1 In Stock
$249.94
Nil Stock
Nil Stock
$249.94
Nil Stock
Nil Stock
Eibach EMS Moto Fork Springs 43.5 x 461
43.5mm OD x 461mm Free Length(SKU: 970)
$249.94
Special Order
Special Order
$249.94
2 In Stock
2 In Stock
$249.94
1 In Stock
1 In Stock
$249.94
1 In Stock
1 In Stock
$249.94
2 In Stock
2 In Stock
$249.94
2 In Stock
2 In Stock
$249.94
2 In Stock
2 In Stock
$49.61
68 In Stock
68 In Stock
KYB Genuine Front Fork Piston Metal (Pair) 48mm KYB - WP
OEM KYB Japan(SKU: 110034800102)
Inside Diameter d (mm): 46.5
Fork Inner Tube Ø d (mm): 48.0
Height H (mm): 20.0
Outside Ø D (mm): 48.5
Wall Thickness (mm): 1.0
$40.96
33 In Stock
33 In Stock
KYB Genuine Front Fork Slide Metal (Pair) 48mm KYB
OEM KYB Japan(SKU: 110044800202)
Inside Diameter d (mm): 48.0
Fork Inner Tube Ø d (mm): 48.0
Height H (mm): 15.0
Outside Ø D (mm): 52.0
Wall Thickness (mm): 2.0
$48.93
47 In Stock
47 In Stock
SKF 48mm Sachs Fork Seal & Wiper Set
Requires 2 kits for complete fork service.(SKU: SKF48Z)
Colour: Green
Seal Outer Ø D (mm): 58.20
Seal Height H (mm): 9.0
Seal Wiper Outside Ø D1 (mm): 58.70
Seal Wiper Height H1 (mm): 5.7
Fork Inner Tube Ø d (mm): 48.0
$59.95
18 In Stock
18 In Stock
SKF 48mm Sachs Fork Seal & Wiper Set - Heavy Duty
Requires 2 kits for complete fork service.(SKU: SKF48ZHD)
Colour: Green
Seal Outer Ø D (mm): 58.20
Seal Height H (mm): 9.0
Seal Wiper Outside Ø D1 (mm): 58.70
Seal Wiper Height H1 (mm): 5.7
Fork Inner Tube Ø d (mm): 48.0
$59.95
13 In Stock
13 In Stock
InnTeck Outer Guide Fork Bush KAYABA 48mm **can use KYB 110044800202**
KAYABA 48mm 48x52x15(SKU: SKTI48K)
Inside Diameter d (mm): 48.0
Fork Inner Tube Ø d (mm): 48.0
Height H (mm): 15.0
Outside Ø D (mm): 52.0
Wall Thickness (mm): 2.0
$14.99
11 In Stock
11 In Stock
InnTeck Outer Guide Fork Bush WP 48mm **can use 110044800102**
WP 48mm 48x52x12(SKU: SKTI48W)
Inside Diameter d (mm): 48.0
Fork Inner Tube Ø d (mm): 48.0
Height H (mm): 12.0
Outside Ø D (mm): 52.0
Wall Thickness (mm): 2.0
$14.99
19 In Stock
19 In Stock
$250.35
2 In Stock
2 In Stock
$9.67
20 In Stock
20 In Stock
$114.71
4 In Stock
4 In Stock
$7.96
3 In Stock
3 In Stock
KYB Genuine Piston rod rebound ff gasgas17- YZ125 15- sherco19
OEM KYB Japan(SKU: 110340004001)
Inside Diameter d (mm): 6.0
Shaft Length / Height H (mm): 387.0
Outside Ø D (mm): 12.5
$175.81
5 In Stock
5 In Stock
$12.29
11 In Stock
11 In Stock
$49.61
1 In Stock
1 In Stock
$7.96
3 In Stock
3 In Stock
$132.00
Coming Soon
Coming Soon
$5.54
26 In Stock
26 In Stock
$586.04
Special Order
Special Order
$282.21
Coming Soon
Coming Soon
$558.28
Special Order
Special Order
$558.28
Special Order
Special Order
$132.00
Coming Soon
Coming Soon
$5.54
26 In Stock
26 In Stock
HiCalibre Shock Spring 60 x 260 Sachs 46 and 50
60mm id x 260mm free length(SKU: 20-073)
$245.00
Nil Stock
Nil Stock
$245.00
Nil Stock
Nil Stock
$245.00
Nil Stock
Nil Stock
$245.00
Nil Stock
Nil Stock
$245.00
1 In Stock
1 In Stock
$245.00
1 In Stock
1 In Stock
$245.00
Nil Stock
Nil Stock
$245.00
3 In Stock
3 In Stock
$245.00
1 In Stock
1 In Stock
$245.00
2 In Stock
2 In Stock
$245.00
Nil Stock
Nil Stock
$245.00
3 In Stock
3 In Stock
$245.00
4 In Stock
4 In Stock
$245.00
2 In Stock
2 In Stock
$245.00
3 In Stock
3 In Stock
$245.00
4 In Stock
4 In Stock
$245.00
3 In Stock
3 In Stock
$245.00
1 In Stock
1 In Stock
$245.00
1 In Stock
1 In Stock
$245.00
4 In Stock
4 In Stock
$245.00
Nil Stock
Nil Stock
$245.00
2 In Stock
2 In Stock
$2.75
690 In Stock
690 In Stock
$5.54
26 In Stock
26 In Stock
$2.75
690 In Stock
690 In Stock
Tools
20
DRC/ENZO TOOL FORK CAP SPINNER KYB/SHOWA BLUE
Co-developed product with Enzo Racing(SKU: ED59-37-310)
$49.50
13 In Stock
13 In Stock
$88.00
Nil Stock
Nil Stock
$199.00
Special Order
Special Order
$136.40
Nil Stock
Nil Stock
DRC Shock Seal Bullet Set - Three Sizes: 14X12mm And 16X12mm & 18X12mm
Shock seal Bullet set -14x12 16x12 18x12(SKU: D59-37-135)
$136.40
Nil Stock
Nil Stock
DRC Pro Fork Top Cap Wrench KYB 48 USD (49mm cap)
Co-developed product with Enzo Racing(SKU: D59-37-170)
$44.00
Nil Stock
Nil Stock
$60.62
Nil Stock
Nil Stock
