Altis Sigma

OEM Front Fender — Altis Sigma

Front Fender

OEM Sigma front fender. Correct Sigma mounting tabs and profile.

OEM Rear Fender — Altis Sigma

Rear Fender

OEM Sigma rear fender. Mounts to Sigma rear subframe.

OEM Skid Plate — Altis Sigma

Skid Plate

OEM skid plate for the Altis Sigma MX. Protects the motor, battery, and underside from rock and debris strikes. Essential for trail riding - the Sigma's high-voltage components are expensive to replace. Bolt-on OEM fit.

OEM Controller Cover — Altis Sigma

Battery Cover

OEM Sigma controller protection cover.

OEM Front Number Plate — Altis Sigma

Front Number Plate

OEM Sigma front number plate.

OEM Front Side Fender — Altis Sigma

Side Panels / Plastics

OEM Sigma front side fender/shroud.

OEM Rear Side Fender — Altis Sigma

Side Panels / Plastics

OEM Sigma rear side fender/shroud.

OEM Front Seat Attachment Cover — Altis Sigma

Side Panels / Plastics

OEM Sigma front seat attachment cover.

OEM Key Switch Cover — Altis Sigma

Battery Cover

OEM Sigma key switch cover.

OEM Rear Mud Guard — Altis Sigma

Mud Flaps

OEM Sigma rear mud guard.

OEM Rear Subframe — Altis Sigma

Subframe

OEM Sigma rear subframe.

OEM Brake Pads (2pcs) — Front & Rear Compatible

Brake Pads

OEM brake pads for the Altis Sigma MX - compatible with both front and rear calipers (2-piece set). Replace when thickness drops below 2mm. Keep a spare set on hand; Altis-specific pads can take longer to source than pads for more common e-bike platforms.

OEM Front Brake Disc 260mm

Brake Rotor / Disc

OEM 260mm front brake rotor for the Altis Sigma MX. The Sigma runs a large-diameter front disc that provides excellent stopping power for its weight class. Replace if warped (lever pulsation), cracked, or worn below minimum thickness.

OEM Rear Brake Disc 220mm

Brake Rotor / Disc

OEM 220mm rear brake rotor for the Altis Sigma MX. Larger rear disc than most comparable e-bikes - matched to the Sigma's power output and weight. Replace if scoring is deep or thickness is at minimum spec.

OEM Brake Levers (Left or Right, $12 each)

Brake Levers

OEM brake levers for the Altis Sigma MX - sold individually, left or right side. Specify the correct side when ordering. The lever tip is the most vulnerable point in tip-overs. Replace if bent beyond useful adjustment or cracked at the pivot.

Motul RBF 600 Racing Brake Fluid (DOT 4)

Brake Fluid

High-performance DOT 4 brake fluid for hydraulic brake service on Altis Delta / Delta S / Sigma. Always confirm the master cylinder cap rating before filling; do not mix fluid chemistries.

Maxima Mineral Brake Fluid — Altis

Brake Fluid

Mineral brake fluid for mineral-oil hydraulic systems only. Do not mix with DOT fluid. Confirm Altis brake family before use.

Maxima Mineral Brake Fluid 120ml — Altis

Brake Fluid

120ml Maxima mineral brake oil for mineral hydraulic brake systems. Confirm fluid family on the bike before bleeding.

Motul RBF 660 Racing Brake Fluid (DOT 4) — Altis

Brake Fluid

High-temp DOT 4 racing brake fluid for hydraulic disc systems. Confirm master-cylinder fluid family (DOT 4 vs mineral) against the specific Altis caliper/lever before bleeding. Customer-facing universal fluid SKU - not brand-specific OEM.

Tektro Mineral Oil Brake Fluid — Altis

Brake Fluid

Tektro mineral oil brake fluid for mineral-oil hydraulic systems. Not for DOT systems. Confirm Altis caliper/lever fluid type.

Maxima Mineral Brake Oil 120ml — Altis

Brake Fluid

Mineral brake oil - confirm OEM fluid type first.

OEM Front Brake Assembly (Complete)

Brake Assembly (Complete)

OEM complete front brake assembly for the Altis Sigma MX. Replace the full assembly only if the caliper bore is scored or the body is cracked. For routine maintenance, individual pads and rotors are available separately.

OEM Rear Brake Assembly (Complete)

Brake Assembly (Complete)

OEM complete rear brake assembly for the Altis Sigma MX. If rear braking feels spongy after a proper bleed, the caliper piston seal is likely failing - a full assembly swap resolves both the seal and bore issue cleanly.

TB Front Rotor Guard — Altis

Brake Hardware Kit

Front rotor guard for 220mm-class discs.

TB Front Rotor Guard — Altis Omega/Sigma

Brake Hardware Kit

OEM Front Brake Mount — Altis Sigma

Caliper Adapter

OEM Sigma front brake caliper mount.

OEM Rear Brake Mount — Altis Sigma

Caliper Adapter

OEM Sigma rear brake caliper mount.

OEM Brake Line Holder — Altis Sigma

Brake Hardware Kit

OEM Sigma brake line holder/clip.

OEM Hand Grip Set

Grips

OEM slip-on grip set for the Altis Sigma MX. Standard 22.2mm bar diameter. Consider upgrading to lock-on grips for aggressive riding - stock slip-on grips can rotate under sustained throttle load or in wet conditions.

OEM Foot Peg and Bracket Assembly

Foot Pegs

OEM foot peg and bracket assembly for the Altis Sigma MX. Complete unit including peg, bracket, pin, spring, and retaining clip. The bracket absorbs crash forces - inspect for cracks or bending after hard tip-overs.

Grip Glue / Contact Cement (Universal)

Grip Glue

Maintenance supply for Altis owners. Based on catalog item: Grip Glue / Contact Cement (Universal)

ODI Emig Lock-On MX Grips — Altis

Grips

ODI Emig lock-on MX grips for 7/8" bars. Universal aftermarket grip upgrade for Altis models.

ODI Ruffian Half-Waffle MX Grips — Altis

Grips

ODI Ruffian half-waffle MX grips for 7/8" bars. Universal aftermarket grip for Altis models.

ODI Ruffian No-Waffle MX Grips — Altis

Grips

ODI Ruffian no-waffle MX grips for 7/8" bars. Universal aftermarket grip for Altis models.

ODI Rogue Single-Ply MX Grips — Altis

Grips

ODI Rogue single-ply MX grips for 7/8" bars. Universal aftermarket grip for Altis models.

ODI Emig 2.0 Lock-On MX Grips — Altis

Grips

ODI Emig 2.0 lock-on MX grips for 7/8" bars. Universal aftermarket grip upgrade for Altis cockpit (Delta / Delta S / Sigma / Omega class). Replace when torn or hardened.

ODI Emig Pro V2 Lock-On Grips — Altis

Grips

Lock-on MX grips.

ODI Ruffian Half-Waffle MX Grips — Altis

Grips

Half-waffle grips.

Universal Handlebar End Caps (Pair)

Grips

Universal bar end caps for 7/8"-tapered MX bars. Confirm inner diameter vs installed bar ends. Listing title references Talaria packaging but caps are generic bar-end plugs.

OEM Handlebar — Altis Sigma

Handlebars

OEM Sigma aluminum handlebar. Replace if bent or cracked; do not cold-straighten.

OEM Aluminum Kickstand

Kickstand

OEM aluminum kickstand for the Altis Sigma MX. Adequate for hard surfaces - use a wider-footed aftermarket stand for soft ground or paddock grass. Replace if bent or if the spring no longer holds it retracted during riding.

SE Racing Full-Wrap Handguards — Altis

Handguards

Full-wrap handguards.

Warp 9 Direct Bar Mount — Altis Sigma

Bar Clamp / Mount

Warp 9 direct bar mount specifically listed for Altis Sigma. Choose color on product page.

ODI EMIG Pro V2 Lock-On Grips for Altis Sigma

Grips

ODI EMIG Pro V2 lock-on grips for Altis Sigma and Sigma MX. 22mm clamp, no wire required, upgrade over stock grips.

Altis Sigma Steering Rod Roller Bearing

Steering Components

OEM steering rod roller bearing for Altis Sigma and Sigma MX. Replaces worn head bearings to restore precise steering.

OEM Kickstand Spring — Altis Sigma

Kickstand Spring

OEM Sigma kickstand return spring.

OEM 428H Drive Chain — Altis Sigma

Chain

OEM Sigma 428H chain (2025 MX/Trail). 2026 Trail may use 520H - verify year before ordering.

OEM Front Motor Sprocket 13T

Front Sprocket

OEM 13T front motor sprocket for the Altis Sigma MX. Stock gearing provides a balance of acceleration and top speed. Replace together with the rear sprocket and chain when any of the three shows significant wear.

OEM Rear Sprocket (44T or 39T)

Rear Sprocket

OEM rear sprocket for the Altis Sigma MX - available in 44T (stock MX spec) or 39T (top-speed alternate). The 44T is standard gearing. Going to 39T increases top speed at the cost of launch acceleration - useful for riders spending more time at sustained speed.

DID / OEM 428 Chain — Altis Sigma

Chain

REVRides Sigma 428 OEM and DID upgraded chains. Pre-cut options for stock sprockets.

Rippin Moto 428MX Gold O-Ring Chain — Altis Sigma / Omega

Chain

Gold O-ring 428MX chain listed for Altis Sigma (and similar e-motos). Cut to length for sprocket combo.

OEM Chain Guide — Altis Sigma

Chain Guard

OEM Sigma chain guide.

OEM Throttle — Altis Sigma

Throttle

OEM throttle assembly for Altis Sigma / Sigma MX. Direct Sigma SKU replacement; do not substitute Delta throttle housings.

OEM Display Control Module — Altis Sigma

Switches & Controls

OEM Sigma display control/interface module.

OEM Control Switch — Altis Sigma

Switches & Controls

OEM Sigma multi-function control switch.

OEM Kill Switch — Altis Sigma

Switches & Controls

OEM Sigma kill/stop switch.

OEM Start Switch — Altis Sigma

Switches & Controls

OEM Sigma start switch.

OEM Horn — Altis Sigma

Switches & Controls

OEM Sigma horn unit.

OEM Seat Key Switch — Altis Sigma

Switches & Controls

OEM Sigma seat lock key switch.

OEM Charger (97.2V) — Altis Sigma

Charger

OEM 97.2V Sigma charger. Not for Omega 144V packs - use only with Sigma battery system.

OEM Display (TFT with NFC) — Altis Sigma

Display / Dashboard

OEM Sigma TFT display with integrated NFC. Sigma-specific harness connectors - not interchangeable with Delta TFT.

OEM Main Wire Harness — Altis Sigma

Wiring Harness

OEM Sigma main wire harness. Sigma electrical architecture only.

OEM Battery Power Cable — Altis Sigma

Wiring Harness

OEM Sigma high-current battery power cable.

OEM DC-DC Converter — Altis Sigma

Sensors

OEM Sigma DC-DC converter for accessory/low-voltage rail.

OEM Headlight — Altis Sigma

Lighting

OEM Sigma headlight assembly. 2026 Baja-style headlight may differ - verify year.

OEM Taillight — Altis Sigma

Lighting

OEM Sigma taillight assembly.

OEM Tilt Sensor — Altis Sigma

Sensors

OEM Sigma tip-over/tilt sensor.

OEM Kickstand Sensor — Altis Sigma

Sensors

OEM Sigma kickstand safety sensor.

Altis Sigma DC-to-DC Converter

Electrical Components

OEM DC-to-DC converter for Altis Sigma and Sigma MX. Steps down pack voltage to 12V for lights, display, and accessories.

Altis Sigma Key Switch (Seat Ignition)

Switches & Controls

OEM seat ignition key switch for Altis Sigma and Sigma MX. Controls system power; direct OEM replacement.

Altis Sigma NFC Card (Key Fob)

Switches & Controls

OEM NFC key card for Altis Sigma and Sigma MX. Pairs with the TFT display NFC reader to arm and disarm the bike.

OEM USB Port — Altis Sigma

USB / Accessories Port

OEM Sigma onboard USB accessory port.

Warp 9 Titanium Rotor Bolts (6-Bolt Pattern)

Rotor Bolts

Titanium 6-bolt rotor hardware. Verify thread pitch/length against Altis OEM rotor bolts before install. Select closest OEM-length variant on PDP.

OEM Steering Stem Nut — Altis Sigma

Nut Clips

OEM Sigma steering stem nut.

OEM Steering Washer — Altis Sigma

Washers

OEM Sigma steering stem washer.

OEM Triple Clamp Cap Nut — Altis Sigma

Nut Clips

OEM Sigma triple clamp cap nut.

Motul Chain Care Kit – Off-Road

Chain Maintenance

Kit includes chain cleaner + lubricant. Suitable for all chain-driven e-motos.

OEM Seat Mud Cover — Altis Sigma

Seat Cover

OEM Sigma seat mud cover.

OEM Seat (Black or Red)

Seat

OEM seat for the Altis Sigma MX - available in black or red. Select your color when ordering. Same foam density and cover profile as stock. A common replacement after crashes that scuff or tear the vinyl.

Altis Sigma Front Seat Attachment Cover

Seat Hardware

OEM front seat attachment cover for Altis Sigma and Sigma MX. Trim panel covering the seat latch mechanism at the nose.

OEM Seat Lock Latch — Altis Sigma

Seat Hardware

OEM Sigma seat lock latch.

OEM Rear Shock Absorber

Rear Shock

OEM rear shock absorber for the Altis Sigma MX. Direct OEM replacement. Set static sag to 30-35% of total travel after installation. Replace if leaking oil or if the shock tops out without damping on small bumps.

SKF 37mm Fork Seal Kit (per leg) — Altis Omega/Sigma

Fork Seals

Confirm leg diameter. One kit per leg.

OEM Lower Triple Clamp — Altis Sigma

Headset

OEM Sigma lower triple clamp.

OEM Upper Triple Clamp — Altis Sigma

Headset

OEM Sigma upper triple clamp.

OEM Steering Rod Roller Bearing — Altis Sigma

Steering Head Bearings

OEM Sigma steering head roller bearing.

OEM Swing Arm Bolt — Altis Sigma

Swingarm Pivot Bolt

OEM Sigma swingarm pivot bolt.

Altis Sigma Swing Arm

Swingarm

OEM swingarm for Altis Sigma and Sigma MX. Aluminum pivot arm connecting the rear axle to the frame.

Altis Sigma Swing Arm Bolt

Swingarm

OEM swingarm pivot bolt for Altis Sigma and Sigma MX. The main through-bolt that the swingarm rotates on.

OEM Suspension Linkage — Altis Sigma

Rear Linkage

OEM Sigma rear suspension linkage.

OEM Linkage Connector — Altis Sigma

Rear Linkage

OEM Sigma linkage connector piece.

OEM Swing Arm — Altis Sigma

Swingarm

OEM Sigma aluminum swingarm.

Maxima Synthetic Chain Lube

Chain Lubricant

Chain lubricant for 420 drive chain on Delta / Delta S. Clean and lube regularly.

Maxima Ultimate Chain Care Kit — Altis

Chain Lubricant

3-step Maxima chain care kit (cleaner/lube/wax class) for 420/428/520 chains used across Altis models. Universal maintenance kit.

Magura MT Bleed Nozzle Set

Specialty Tools

Universal Altis owner maintenance item (Omega-safe consumable/tool).

Magura Bleed Syringe (24ml, Luer Lock)

Specialty Tools

Universal Altis owner maintenance item (Omega-safe consumable/tool).

Maxima Chain Wax — Altis (All Models)

Chain Lubricant

Chain wax for Altis 428 drivetrains.

Motul MC CARE C3 Off-Road Chain Lube — Altis

Chain Lubricant

Off-road chain lube.

Motul Chain Care Kit Off-Road

Chain Lubricant

Motul off-road chain care kit (cleaner + lube). Use on O-ring/X-ring and non-ring chains per label.

Maxima Clean-Up Chain Cleaner — Altis

Chain Cleaner

Chain cleaner.

Maxima Chain Wax — Universal Chain Lubricant

Chain Lubricant

Universal chain lubricant. Works on all chain-drive e-bikes. Wax formula reduces fling and keeps chain cleaner longer. Delta platform part; fitment extended to Delta S (same 72V 17"/14" chassis family - verify suspension spring rate preference).

Motion Pro PBR Chain Breaker

Specialty Tools

Works on 420/428/520 service. Handy for Sigma 428 and Omega 520 chains.

Motul MC CARE E2 Moto Wash — 1 Liter Biodegradable Cleaner

Cleaners

Biodegradable spray-on rinse-off cleaner. Safe for plastics, paint, metals. Aerosol restrictions: ships ground only - no air to AK/HI/PR.

Motul MC CARE C4 Factory Line Chain Lube — 9.3 oz

Lubricants

High-speed chain lube for supermoto and performance e-moto. Light tack, minimal fling-off. Aerosol - no air shipping.

Heavy-Duty Inner Tube Front — Altis Sigma / Omega

Front Tube

HD front tube for Sigma/Omega wheel sizes. Confirm rim diameter on your build.

Heavy-Duty Inner Tube Rear — Altis Sigma / Omega

Rear Tube

HD rear tube for Sigma/Omega. Replace with tire service.

Heavy-Duty Front Inner Tube — Altis Omega/Sigma

Front Tube

Heavy-Duty Rear Inner Tube — Altis Omega/Sigma

Rear Tube

OEM Rim Strip — Altis Sigma

Tubeless Accessories

OEM Sigma rim strip. Choose 16" or 19" size to match wheel config.

Dunlop Geomax MX34 Front Tire 70/100-19 — Altis Sigma

Front Tire

19" front knobby option for Sigma Trail 19" wheel.

Heavy-Duty Front Tube 70/100-19 — Altis Sigma

Front Tube

HD 19" tube for Sigma front (Trail 19").

Heavy-Duty Rear Tube 100/90-19 — Altis Sigma Trail

Rear Tube

3mm HD tube for Sigma Trail 19" rear configurations using 100/90-19 class tires.

Dunlop Geomax MX34 Rear Tire 90/100-16 — Altis Sigma MX

Rear Tire

Sigma MX 16" rear knobby option.

Dunlop Geomax MX34 Rear Tire 100/100-18 — Altis Sigma

Rear Tire

18" rear knobby option if running 18" rear conversion on Sigma.

Bridgestone Battlecross X30 Front Tire 70/100-19 — Altis Sigma

Front Tire

Intermediate front knobby for Sigma 19" Trail.

Bridgestone Battlecross X30 Rear Tire 90/100-16 — Altis Sigma MX

Rear Tire

Sigma MX 16" rear intermediate knobby.

Pirelli Scorpion MX32 Front Tire 70/100-19 — Altis Sigma

Front Tire

Soft-to-mid front for Sigma 19" Trail.

Pirelli Scorpion MX32 Rear Tire 90/100-16 — Altis Sigma MX

Rear Tire

Sigma MX 16" rear soft/mid knobby.

Supermoto Wheel Set

Supermoto Wheel Set

Supermoto wheel conversion set for the Altis Sigma MX. Converts from off-road to supermoto configuration for asphalt and hardpack riding. Verify tire sizes and hub compatibility before purchasing. Supermoto geometry significantly changes handling characteristics.

OEM Aluminum Front Axle — Altis Sigma

Front Axle

OEM Sigma aluminum front axle.

OEM Rear Axle — Altis Sigma

Rear Axle

OEM Sigma rear axle. Confirm 2025 vs 2026 axle diameter if mixing years.

OEM Rear Axle Block / Chain Adjuster — Altis Sigma

Axle Bushings

OEM Sigma rear axle block used for chain tension adjustment.

OEM Rear Rim Lock — Altis Sigma

Rim Locks

OEM Sigma rear rim lock for knobby tire security.

Tusk Rim Lock 1.60" — Altis Sigma

Rim Locks

Aftermarket rim lock option for Sigma spoked wheels; compare to OEM Sigma rim lock sizing.

Altis Sigma Aluminum Front Axle

Front Axle

OEM aluminum front axle for Altis Sigma and Sigma MX. Lightweight alloy replacement for a bent or damaged stock axle.

Altis Sigma Rear Rim Lock

Wheel Hardware

OEM rear rim lock for Altis Sigma and Sigma MX. Clamps the tire bead to the rim to prevent rotation under hard braking.

Altis Sigma Front Rim Set 19"

Front Rim

OEM 19" front rim set for Altis Sigma and Sigma MX. Larger front wheel size for trail and supermoto configurations.

OEM Front Wheel Spacers — Altis Sigma

Wheel Hub Spacers

OEM Sigma front wheel spacer set.

OEM Rear Wheel Spacer — Altis Sigma

Wheel Hub Spacers

OEM Sigma rear wheel spacer. Select year variant on product page if prompted.

OEM Front Rim Set 19" — Altis Sigma

Front Rim

OEM Sigma 19" front rim set.

OEM MX Rear Rim / Wheel Set — Altis Sigma

Rear Rim

OEM Sigma MX rear rim/wheel assembly.