Competition RC

Side-by-Side Spec Comparison

Compare competition electric RC cars head-to-head, 2014–Current. Differences highlighted automatically.

Offroad Class / Scale

Competition-grade 1:8 scale 4WD electric buggies

Kit A

Tekno RC EB48 2.2

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Kit B

Tekno RC EB48 2.1

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Same revision series: Both belong to the Tekno EB48 2.x Series. Differences represent minor revisions between versions.

11 specs differ

Differs Same

Specification

Scale

1:8

Drive

4WD

Surface

—

Wheelbase

316–336 mm

Length

495 mm

Width

306 mm

Weight (kit, no electronics)

~2,900 g

Weight (track-ready, no electronics)

—

Chassis Material

4mm 7075 hard-anodized aluminum (TKR9002B, shared w/ 2.1)

4mm 7075 hard-anodized aluminum (TKR9002B)

Chassis Layout

Flat / laydown

Shock Type

Emulsion (16mm)

Emulsion or Bladder (16mm)

Shock Material

Aluminum

Stock Shock Length (F/R)

115.5mm front / 125mm rear (fully extended, per 2.2 manual)

115.5mm front / 125mm rear (fully extended, per manual)

Stock Spring Rate (front)

5.65 lb/in (TKR6040, 70mm, blue)

Stock Spring Rate (rear)

3.48 lb/in (TKR6031B, 83mm, green)

Shock Tower (front)

Flex-tuned split design 7075 CNC machined aluminum (2.2 spec); upgraded M4 shock standoffs

7075 CNC machined aluminum — revised 2.1 geometry

Shock Tower (rear)

Flex-tuned split design 7075 CNC machined aluminum (2.2 spec)

7075 CNC machined aluminum — revised 2.1 geometry (taller rear tower)

Front Diff

Oil-filled gear diff (bevel ring/pinion, TKR9150) — default: 7,000cSt

Center Diff

Oil-filled gear diff (bevel ring/pinion, TKR9150) — default: 7,000cSt

Rear Diff

Oil-filled gear diff (bevel ring/pinion, TKR9150) — default: 5,000cSt

Suspension Type

Independent double wishbone; -2mm front and rear bulkheads; longer inner hinge pin sleeves

Independent double wishbone; new extra-long front camber link; lowered hinge pin braces

Front Hub Design

C-Hub — -2mm LRC spindle carriers, 21° stock caster (TKR9040); 18° (TKR9142B) & 15° (TKR9142C) optional; reduced Ackermann spindle plates

C-Hub — composite spindle carrier, 18° stock caster (TKR9142B, verified per manual); 15° (TKR9142C) & 21° (TKR9040) optional

Rear Hub Design

Composite rear hub carrier — -2mm LRC/HRC rear hubs; refined 2.2 knuckle geometry; improved toe-in linearity; +/-2mm offset available

Composite rear hub carrier — new rear arms with adjustable roll center; redesigned 2.1 knuckle with wider toe-in tuning range; +/-2mm offset hubs available (TKR9050)

Rear Arm Design

Refined composite front & rear A-arms (2.2 spec)

Revised composite rear arm (2.1 geometry) — 112mm length, industry-longest at release; adjustable roll center

Chassis Braces

Refined C & D blocks (2.2 spec)

Updated C & D block geometry; new chassis with lowered hinge pin braces

Anti-Roll Bar (front)

Adjustable sway bar deadband bushings included — available in multiple sizes as option

Not included — available as option

Anti-Roll Bar (rear)

Adjustable sway bar deadband bushings included — available in multiple sizes as option

Not included — available as option

Motor Mount

Side-mount adjustable

Gear Module

MOD1

Spur Gear

48T

Battery

4S LiPo

4S LiPo (now also supports 4S shorty in front or rear weight bias config)

Ball Bearings

Full bearing

Body Included

Yes

ROAR Approved

Yes

EB48 2.2 — What Changed

New flex-tuned split design 7075 CNC machined shock towers (front & rear)
New -2mm front/rear bulkheads lowering differential height for improved traction
New -2mm LRC spindles matching lowered bulkhead geometry
New -2mm LRC/HRC rear hubs for improved bump handling and driving consistency
Upgraded shock standoffs with M4 screws for improved crash durability
Longer inner hinge pin sleeves for reduced friction and extended arm lifespan
New front outer hinge pin sleeves to minimize friction
Reduced Ackermann spindle plates for improved mid-corner steering predictability
Adjustable sway bar deadband bushings for improved bump handling
Revised front and rear A-arms
Refined rear hub carrier angles for improved corner exit traction
New 93.5mm rear universal driveshafts
Precision molded shock pistons and guides reduce internal shock friction
Revised body shell for improved aero performance

EB48 2.1 — What Changed

New extra-long front camber link for improved stability and predictability
New 112mm rear suspension arms with adjustable roll center (industry-longest at release)
New chassis with lowered hinge pin braces for improved handling
New revised rear hub carriers — wider toe-in tuning range, improved knuckle angles
Updated C and D chassis braces for improved flex
New 7075 aluminum shock towers with revised mounting positions (taller rear tower)
New differentials and rear springs (backward compatible with 2.0)
Now supports 4S shorty packs in front or rear weight-bias configuration

Tekno RC EB48 2.2 — Notes

Released Aug 13, 2024 (per Tekno blog). Latest EB48 2.x platform; won ROAR 2023 1/8 Electric Nationals. 4mm 7075 aluminum chassis (TKR9002B). New flex-tuned split shock towers. -2mm front/rear bulkheads lower diff height. -2mm LRC spindles and LRC/HRC rear hubs boost traction. M4 shock standoffs for crash durability. 93.5mm rear universal driveshafts. Precision molded shock pistons and guides reduce internal friction. Adjustable sway bar deadband bushings. Stock caster is 21° (TKR9040).

Tekno RC EB48 2.1 — Notes

Released Sep 7, 2022 (per Tekno blog). Incremental update over 2.0. New 4mm 7075 aluminum chassis (TKR9002B, shared with 2.2) with lowered hinge pin braces. New 112mm rear arms with adjustable roll center. Extra-long front camber link. Now supports 4S shorty packs in addition to standard 4S. All 2.1 parts forward compatible with 2.2.

Specifications sourced from manufacturer documentation (instruction manuals, official part numbers) and verified community data. Part numbers cited where available. Affiliate links support Netcruzer content creation at no extra cost to you. Always verify specs with your dealer.