RS 660
The middleweight that punches like a 1000.
SPORT 2026
Select a category · then click on the bike to place its dot, or drag any dot directly.
Apex White
Power
100 HP
Torque
49 lb-ft
Engine
659cc P-TWIN
MSRP
$11,499
Trans
6-Speed
Seat
32.3 in
0–60 mph
3.5s
0–100 mph
7.5s
¼ Mile
11.3s
01 · TAIL TIDY / FENDER ELIMINATOR
No tail tidy / fender eliminator options researched for this model yet. TBD.
fender
New Rage Cycles
LED Tail Tidy Fender Eliminator (660-FE) RS 660 / Tuono 660 2021-2024
~$210
Plug-and-play kit with bright LED signals and plate light; black textured finish, no extra modules needed.
fender
Evotech Performance
Tail Tidy Fender Eliminator RS 660 / Tuono 660 2021+
~$160
CNC billet aluminum tidy with black powder coat; retains stock signals and includes an LED plate light.
fender
Evotech Performance
Tail Tidy (PRN015278)
$190-220
Billet tail tidy retaining stock indicators, includes new LED plate light. No drilling.
fender
TST Industries
Elite-1 Fender Eliminator
$180-230
CNC kit in high mount, adjustable high mount or low mount, five colors, undertail closeout included.
fender
JL Designs
Fender Eliminator with Built-In Signals
Billet plate bracket with integrated LED signals; removes the OEM fender assembly.
fender
JL Designs
Tail Light & License Bracket Kit (2021+)
Anodized billet plate bracket with swivel plus smoked LED tail light with integrated signals.
02 · INTEGRATED TAILLIGHT
No integrated taillight options researched for this model yet. TBD.
taillight
JL Designs
Plug-In Integrated Tail Light
Smoked LED unit with integrated turn signals and a custom plug-in harness. Off-road use only.
taillight
Tucked-Up Systems
RS 660 Integrated Taillight (2021+)
$180-220
Plug-and-play smoked LED taillight with built-in signals and running perimeter light.
taillight
TST Industries
Brake Light Modulator verify year
$60-80
Plug-in module adding pulse and strobe brake modes to the OEM tail light. Listed 2021-2023.
03 · EXHAUST
No exhaust options researched for this model yet. TBD.
exhaust
Akrapovič
Racing Line Exhaust System RS 660 / Tuono 660 2021-2026
varies
Full racing exhaust system, dramatically lighter than stock with increased performance and a purer race sound.
exhaust
SC-Project
S1 Full Titanium System RS 660 2020+
varies
Handcrafted titanium 2-1 system developed with the RS 660 Trophy race series, with tapered large-outlet muffler.
exhaust
SC-Project
SC1-R Full System RS 660 / Tuono 660
varies
Race-focused full system with SC1-R muffler for weight savings and improved flow.
exhaust
exhaust
Akrapovic
Racing GP Exhaust System
$1,300-1,600
Shorter GP-style race system for the 660 twin. Not street legal in most markets.
exhaust
Arrow
Indy Race Exhaust System (2021-2026)
$508-676
Diamond-profile slip-on in aluminum, dark aluminum, carbon or titanium.
exhaust
Arrow
Competition EVO Full System
$1,834
Full race system with titanium headers and Indy-style can. Track use.
exhaust
SC-Project
SC1-R Full System (A23-PTC90)
$1,400-1,900
Titanium full system with hexagonal SC1-R can. Removes the passenger peg mounts.
exhaust
GPR
M3 Black Titanium Full System 2025-2026 RS 660
$1,235.17
Full exhaust system with a black titanium silencer and model-specific pipework.
04 · WINGLETS / AERO
Aero / winglet options are typically focused on track-oriented superbikes. No aftermarket options researched for this model. TBD.
winglet
Carbon-Smith
Carbon Fiber Winglets (2020+)
$250-350
Pre-preg carbon winglets in 12K spread tow weave, replacing the plastic side panels.
winglet
FF Carbon
Carbon Winglets
$200-300
Carbon/fiberglass winglets in plain weave gloss that replace the OEM parts directly.
winglet
RPM Carbon
RS 660 Carbon Aero Parts (2025+) verify year
Carbon winglets and aero panels for the 2025-on RS 660. Check part-by-part fitment.
winglet
Forward Race Parts
RS-GP Wing 2020-2026 RS 660
$467
Fairing-mounted aerodynamic wing inspired by RS-GP race-bike bodywork for added front-end load.
05 · LED TURN SIGNALS (FRONT)
No LED turn signal options researched for this model yet. TBD.
signal
New Rage Cycles
Mirror Block Off LED Turn Signals
$115
CNC block-off plates with integrated LEDs replacing the stock mirrors. Plugs into OEM connectors.
06 · ECU TUNE
No ECU tune / flash options researched for this model yet. TBD.
chip
Dynojet
Power Commander 6 RS 660 / Tuono 660 2021-2024
~$400
Plug-and-play piggyback fuel tuner allowing adjustment of fuel and timing curves without reflashing the ECU.
chip
Rapid Bike
EVO Auto-Tuning Module RS 660
~$450
Self-adaptive piggyback fuel module that monitors air/fuel and auto-corrects mapping as you ride.
chip
BT Moto
Stage 1+ Calibration & Tuner (2021-2024)
$700-850
Alpha-N ECU flash using the factory O2 sensors; raises limiters and revises fueling.
chip
BT Moto
Stage 1+ Performance Calibration (2026+)
$700-850
Updated Stage 1 calibration for the 2026 RS 660 / Tuono 660 ECU.
chip
Factory SuperBike
Aprilia ECU Flash verify year
Mail-in ECU reflash service covering Aprilia 660 models. Confirm ECU part number first.
chip
UpMap
T800+ ECU Flash Kit with Gabro Map 2026 RS 660 E5+ all variants
$569
Handheld ECU flashing kit supplied with a model-specific Gabro calibration map.
07 · MIRRORS
No mirror options researched for this model yet. TBD.
mirror
Rizoma
Stealth Mirrors RS 660 2021-2026
~$500
Aluminum folding mirrors that close into an aerodynamic winglet with a MotoGP-style look.
mirror
mirror
Rizoma
End Mount Mirror / Proguard Adapter
$70-100
Bar-end adapters for Rizoma Spy-Arm, Spy-R or Spirit RS mirrors and Proguard systems.
08 · AIR FILTER
No air filter options researched for this model yet. TBD.
filter
DNA Filters
High Performance Air Filter (P-AP6S21-01) RS 660 / Tuono 660 2020-2024
~$90
Washable cotton drop-in filter flowing about 37% more air than stock with 98-99% filtration efficiency.
filter
DNA Filters
P-AP6S21-01 High Flow Air Filter
$100-120
Four-layer cotton drop-in. DNA measures 149 CFM vs 109 CFM for the stock paper element.
filter
Sprint Filter
PM176S Air Filter
$120-150
Polyester drop-in filter, no oiling required, washable. Street and track use.
filter
BMC
Replacement Air Filter
$90-110
Washable cotton-gauze drop-in filter in the familiar BMC rubber frame.
filter
K&N
Replacement Air Filter
$70-90
Washable oiled-cotton drop-in filter listed by K&N for the RS660.
09 · FRAME SLIDERS / CRASH PROTECTION
No frame slider / crash protection options researched for this model yet. TBD.
slider
Evotech Performance
No-Drill Frame Sliders RS 660 2021-2024
~$150
Bolt-on crash bobbins on CNC billet aluminum brackets using original mounting points, no drilling.
slider
Evotech Performance
Frame Sliders (PRN015288-018345)
$130-160
Twin-mount billet brackets with polymer bobbins; no fairing cutting for 2020-2024 bikes.
slider
Evotech Performance
Frame Sliders (PRN015288-018346, 2025+)
$130-160
Revised bracket set for the 2025-on RS 660 Factory and 2026 RS 660.
slider
GB Racing
Secondary Engine Cover Set (2021-2025)
$300-360
Alternator, clutch and water pump covers in 60% glass-filled nylon, bolted over the OEM cases.
10 · BRAKE & CLUTCH LEVERS
No brake / clutch lever options researched for this model yet. TBD.
lever
Evotech Performance
Evo Folding Clutch & Brake Lever Set RS 660 2021+
~$200
Billet aluminum levers with six-position adjustment and impact-pivoting folding blades.
lever
Evotech Performance
Evo Folding Clutch & Brake Lever Set (2021+)
$190-230
Billet folding levers, six-position span adjusters, blades pivot upward on impact.
lever
Evotech Performance
Folding Clutch & Short Brake Lever Set
$190-230
Standard-length clutch paired with a shorty brake blade for two-finger braking.
lever
Evotech Performance
Evo Folding Levers (RS 660 Factory 2025+)
$190-230
Folding lever set matched to the 2025-on RS 660 Factory master cylinders.
lever
Ducabike
L27 Ultimate Brake & Clutch Levers verify year
$290-350
Ergal levers with double adjustment, sliding bearings and a break-away safety joint.
lever
LighTech
Magnesium/Aluminium Brake and Clutch Lever Kit 2026 RS 660
~$296
Adjustable magnesium-and-aluminum brake and clutch lever set for model-specific controls.
11 · WINDSCREEN
No windscreen options researched for this model yet. TBD.
screen
Puig
R-Racer Windscreen RS 660 2021-2026
~$130
Wind-tunnel-tested 3mm acrylic race screen about 70mm taller than OEM (330x255mm) for improved protection.
screen
Zero Gravity
Double Bubble Windscreen
$120-135
Taller double-bubble acrylic screen, pre-drilled to the OEM holes. Clear, smoke or dark smoke.
screen
Zero Gravity
Corsa Windscreen
$120-140
Taller, more aggressive track-oriented profile than the Double Bubble.
screen
Puig
Racing Double Bubble Screen
$110-150
Approx 70 mm taller than stock, deflecting airflow off the helmet and upper torso.
screen
MRA
Racing Double-Bubble Windscreen 2020-2026 RS 660
~$102
Double-bubble racing windscreen shaped to improve airflow around a tucked rider.
12 · REARSETS
No rearset options researched for this model yet. TBD.
rearset
Bonamici Racing
Adjustable Rearsets (A006) RS 660 / Tuono 660 2020+
~$500
CNC billet aluminum rearsets on double ball bearings, wide adjustment, standard or reverse shift.
rearset
Bonamici Racing
Adjustable Rearsets A006
$600-700
Billet rearsets on ball bearings with a spring-loaded brake lever; standard or GP shift.
rearset
Gilles Tooling
FXR Rearsets (2021-2026)
$650-780
Lightweight adjustable rearsets, GP shift compatible, street and track approved.
rearset
Sato Racing
Rear Sets (2021+)
$550-650
Billet rearsets on double stainless bearings; keeps the stock brake light switch and ABS.
rearset
LighTech
R Series Folding-Peg Rearsets 2026 RS 660 E5+ all variants
$1,037.75
Adjustable rearsets with folding footpegs for configurable track-oriented foot positioning.
13 · PHONE MOUNT
No phone mount options researched for this model yet. TBD.
phone
Evotech Performance
Quad Lock Sat Nav / Phone Mount
$90-120
Adjustable bracket mounted to the screen frame with an integrated Quad Lock head.
phone
Evotech Performance
Quad Lock Top Yoke Mount (RS 660 Factory 2025+)
$90-120
Top yoke collet mount with integrated Quad Lock head and adjustable viewing pivot.
14 · SEAT / GRIP
No seat / grip options researched for this model yet. TBD.
seat
Stompgrip
Tank Grips (0181) RS 660 / Tuono 660 2020-2025
~$55
Custom-fit injection-molded traction pads to lock knees in and reduce arm pump.
seat
TechSpec
SnakeSkin Tank Grips RS 660 / Tuono 660 2021+
~$70
Thin medium-durometer rubber grips with a clean stock look; includes a center tank protector.
seat
TechSpec
SnakeSkin Tank Grips (2021+)
$80
0.125 in medium-durometer rubber side pads plus a free center tank protector.
seat
seat
Eazi-Grip
PRO Tank Grip Kit 2020-current RS 660
~$59
Textured tank-grip panels that increase lower-body contact during braking and cornering.
15 · RACE FAIRINGS / BODYWORK
Race fairings / aftermarket bodywork options are typically focused on higher-displacement track bikes. No options researched for this model. TBD.
body
Armour Bodies / Woodcraft
Pro Series Supersport Bodywork Kit
$900-1,100
Race bodywork with Kayak-industry resin; known for fit, durability and surface finish.
body
Hotbodies Racing
Race Bodywork (2021-2025)
$800-1,000
Four-harness fiberglass with Kevlar mounts and an AMA/WSBK spec oil containment belly pan.
body
Sebimoto
RS 660 Race Fairings
$900-2,200
FRP, Kevlar-carbon or full carbon race bodywork built to FIM fluid containment rules.
body
Motoforza
RS 660 Race Fairing Sets
$700-1,400
Fiberglass race sets with Kevlar-carbon reinforcement in stressed areas; 2021+ and 2025+ molds.
body
S2 Concept
Complete Racing Fairing Set 2025-2026 RS 660
~$955
Complete race fairing set designed to replace street bodywork for closed-course use.
Confirmed Spend $0 Lock or install products to track