Beta RR 390 4T parts

85 parts listed to fit the Beta RR 390 4T (2020 to 2026 models), from RFX, All Balls Racing, Racetech, ProX and DP. Each part below shows the model years it fits and its manufacturer part number.

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Vehicle Parts for the Beta RR 390 4T

Air Filter

• RFX Race Non Oiled Air Filter RR 2T/4T 20-26 FXAF 80002 55NO fits 2020-2026

Battery

• Skyrich Lithium Ion Battery LTZ5S 2.0Ah fits 2020-2024

Bodywork Spares

• Racetech Fork Guards SX 125-150 15-23/SXF250-450 15-23 fits 2020-2023

Brake Pad

• DP Brake Pads SDP Pro-MX SDP321 SDP321 fits 2020-2024
• DP Brake Pads SDP Pro-MX SDP940 SDP940 fits 2020-2024
• DP Brake Pads Standard DP321 DP321 fits 2020-2024
• DP Brake Pads Standard DP940 DP940 fits 2020-2024
• Tecnium Brake Pads MF194 Sintered Metal (Front) MF194 fits 2023-2026

Brake Spares

• RFX Pro Disc Guard Mount Beta 2T/4T FXDG 80100 99BK fits 2020-2023
• RFX Pro Res Cap Kit Beta RR125-300 >25 RR350-480 >25 FXRC 80000 99RD fits 2025-2026

Chains

• DID Chain 520 ERV(7) (Racing) (ZJ) fits 2020-2022
• DID Chain 520 MX (Racing) (RJ) fits 2020-2024
• DID Chain 530 ZVM-X2 (Heavy Duty X Ring) (ZJ) fits 2020-2022
• EK 520 MRD7 Drive Chain - Clip fits 2020-2026
• EK 520 SRX2 Drive Chain - Qx-Ring - Rivet fits 2020-2026
• IRIS Chain 520FB X-Ring fits 2020-2026
• IRIS Chain 520RXL Super Heavy Non Sealed 91951120000000 (120) fits 2020-2026
• IRIS Chain 520RXP Super Heavy Non Sealed 91951240000000 (114) fits 2020-2024
• MTX Chain 520 Heavy Duty Non Sealed fits 2020-2024

Chassis Spares

• RFX Pro Rear Axle Blocks Beta 2T RR 13-26 4T RR 15-26 fits 2020-2021, 2025-2026
• RFX Pro Steering Stem Nut KTM/Husqvarna/Gas Gas/Beta fits 2020-2026

Control Spares

• RFX Race Front Brake Lock Universal FXTD 20000 55OR fits 2020-2024

Footpegs and Rear Sets

• RFX Factory Footrests Titanium Beta RR 2T/4T 20-26 FXFR 80200 GPTI fits 2020-2025
• RFX Pro Footrests Beta RR 2T/4T 20-26 fits 2020-2025

Fork Seals

• All Balls Racing Fork Seal Kit BET/HON/KAW/SHE RR/RX/RACING 20-23 55-149 fits 2020-2025
• All Balls Racing Fork/Dust Seal Kit GSXR1000 56-137 fits 2021
• All Balls Racing Oil & Dust Seal Kit RR 23-24/SX/SXF 23-24 56-192 fits 2023-2025
• All Balls Racing Oil & Dust Seal Kit RR/RACING 21-24/CRF450R 13-16 56-167 fits 2020-2025
• All Balls Racing Oil & Dust Seal Kit SX/SXF 17-24/EXC/EXCF 17-23 56-147 fits 2020
• RFX Fork Seal Kit 48x58x8.5/10.5 FXSK 48581 55ST fits 2020-2023
• SKF Heavy Duty Oil & Dust Seal 48 mm KAYABA/OHLINS KITG-48K-HD fits 2020-2023, 2025-2026
• SKF Oil & Dust Seal 48 mm KAYABA/OHLINS KITG-48K fits 2020-2023, 2025-2026
• SKF Oil & Dust Seal 48 mm PSF/KAYABA KITG-48K-PSF fits 2020-2023
• SKF Removable Fork Mud Scraper 48 mm KYB/MARZ/ZF SACHS KIT-MS48KM fits 2020-2022

Front Brake and Clutch Levers

• Hi Level Lever Front Brake Alloy 1186 fits 2021, 2024
• Hi Level Lever Front Brake Alloy MEB/KCE fits 2021
• Hi Level Lever Front Brake Black Honda ML3 fits 2021, 2024
• RFX Pro Front Brake Lever CR80/85 CRF150 CR125/250 FXBL 10100 99BK fits 2020-2024
• RFX Race Clutch Lever KTM/Husqvarna/Gas Gas/Beta FXCL 50300 55SV fits 2020-2026
• RFX Race Flexible Lever Set Beta RR Enduro 2T/4T <26 fits 2020-2024, 2026
• RFX Race Front Brake Lever CR80/85 CRF150 CR125/250 FXBL 10100 55SV fits 2020-2024
• RFX Sport Clutch Lever KTM/Husqvarna/Gas Gas/Beta FXCL 50300 00SV fits 2020-2026
• RFX Sport Front Brake Lever CR80/85 CRF150 CR125/250 FXBL 10100 00SV fits 2020-2024

Front Sprockets

• Hi Level Front Sprocket KTM 125/250 fits 2020-2024, 2026
• JT Front Sprocket - JTF1901 fits 2020-2024, 2026
• RFX Pro Front Sprocket KTM 14-26 Husq 14-26 Gas 21-26 fits 2020-2026
• RFX Race Front Sprocket KTM 14-26 Husq 14-26 Gas 21-26 fits 2020-2026

Gear Selector and Rear Brake Levers

• RFX Pro FT Rear Brake Pedal Beta RR125-480 20-26 FXRB 80200 99RD fits 2020-2024, 2026
• RFX Race Gear Pedal Beta 350/390 20-24 430/480 20-26 fits 2020-2024

Launch Control

• RFX Pro L/Control Dual YZ/YZF 125-250 04-26 450 04-22 fits 2024
• RFX Pro Launch Control D/B YZF450 23-26 YZ85/KX85 >26 FXLA 20101 99HA fits 2024
• RFX Pro Launch Control YZ/YZF 125-250 04-26 YZF450 >22 fits 2024
• RFX Pro Launch Control YZF450 23-26 YZ85/KX85 >26 fits 2024

Lowering Kit

• Koubalink Lowering Link RR/RS/Xtrainer 10-26 (Drop 1.25 in) BETA10-2 fits 2020-2026

Oil Filter

• RFX Race Oil Filter HF631 Beta RR 350-480 FXOF 60400 55ST fits 2020-2024

Plastic Kit

• Racetech Plastic Kit RR125-480 23-24 (6 pcs) fits 2023-2024
• Racetech Plastic Kit RR125/200/250/350/450 23-24 (6 pcs) R-KITBET-RSB-633 fits 2023-2024

Preload Adjusters

• XTRIG Preload Adjuster RR 2T/4T 23-26 (KYB) 10600005 fits 2023-2025

Rear Sprockets

• JT Rear Sprocket CR125-500/CRF250-450 83-23 fits 2020-2024
• RFX Pro Armalite Rear Sprocket Beta RR 250-450 13-26 fits 2020-2026
• RFX Pro Elite Rear Sprocket Beta RR 250-450 13-26 fits 2020-2026
• RFX Pro Elite Rear Sprocket Husq >13 Sherco >26 fits 2020

Shock Bearings

• All Balls Racing RSH/B Kit Upper RR125-300 13-22/RR250-520 05-22 29-5080 fits 2020-2022
• RFX Race Lower Shock Bearing Kit RR 2T/4T >25 FXBE 64002 55ST fits 2020-2025

Triple Clamps

• XTRIG ROCS Pro RR250/300 16-26 (OS 20-23mm) 40601001 fits 2020-2026
• XTRIG Stem YA2 40206000 fits 2025-2026

Wheel Bearings

• KOYO by JTEKT Bearing 6005DDU 6005-2RS-C3 (3) fits 2021
• KOYO by JTEKT Bearing 6906DDU 69062RSC3 fits 2021
• NTN Bearing 6005LLUC3 6005LLUC3 fits 2021
• NTN Bearing 6906LLUC3 6906LLUC3 fits 2021

Vehicle Accessories for the Beta RR 390 4T

Frame Protection

• AXP Radiator Braces RR350/RR390/RR430/RR480 25 AX1751 fits 2024-2026
• Racetech Frame Guard RR125-480 20-23 fits 2020-2024
• Racetech Frame Guard RR250/300/350/390/430/480 24 fits 2024-2026
• Racetech Frame Guard RX450 24 fits 2024-2026

Skid Plate

• AXP Xtrem Skid Plate RR350/RR390/RR430 24-25 fits 2024-2026

Tyre Cover and Heater

• RFX Factory 85cc Tyre Covers Pair FXTC 10001 99BK fits 2020-2024
• RFX Factory Adult Tyre Covers Pair FXTC 10000 99BK fits 2020-2024

Engine Parts for the Beta RR 390 4T

Engine Bearing

• ProX Crank Bearing & Seal Kit Beta Enduro 4T 10-26 23.CBS73050 fits 2020-2024
• ProX Crank Seal Set RR350/390/430/450/480/498/520 10-26 42.7350 fits 2020-2024

Engine Con Rod Kit

• ProX Con.Rod Kit RR350/390 15-26 03.7315 fits 2020-2025

Engine Piston Kit

• ProX Piston Kit RR390 15-26 12.5:1 fits 2020-2026

Engine Timing Belts and Chains

• ProX Camchain RR350/390/430/480 11-26/TM450 06-12 31.1900 fits 2020-2026

Fuel Pump

• All Balls Racing Fuel Pump Kit SXF250-450 11-22/EXCF/TPI 12-22 47-2036 fits 2020-2025

Tyres and Wheels for the Beta RR 390 4T

Wheel Spacer

• RFX Pro Wheel Spacers Front Beta 2T/4T 250-498 >26 fits 2020-2024
• RFX Pro Wheel Spacers Rear Beta 2T/4T 250-498 >25 fits 2020-2024

Beta fitment charts

Compare every Beta model and year: oil filter, air filter, battery, brake pad, sprocket, fork seal, wheel bearing charts.

Other Beta models

Beta RR 250 2T, Beta RR 300 2T, Beta RR 125 2T, Beta RR 350 4T, Beta RR 480 4T, Beta RR 430 4T, Beta RR 200 2T, Beta RR 250 2T ENDURO, Beta RR 300 2T ENDURO, Beta RR 350 4T ENDURO, Beta RR 390 4T ENDURO, Beta RR 450 4T ENDURO. All Beta models.