CrawlKin
Platform-specific RC crawler reviews

Every bolt. Every trail. Every rig.

Fitment-verified picks for Axial SCX10, Traxxas TRX-4, SCX24, and Gen8 builds. Upgrade in order. Spend deliberately.

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Axial SCX10

Top picks for the SCX10

Top Pick Amazon Pro-Line Hyrax 1.9 G8 Rock Crawling Tires (pair)
4.7

Pro-Line Hyrax 1.9 G8 Rock Crawling Tires (pair)

The default benchmark for 1.9 inch rock crawling. Open tread with deep sipes and G8 compound that grips rock faces without the squirm of pure competition rubber.

Best for SCX10 and TRX-4 owners who want the community's proven baseline tire before experimenting with specialty compounds.

G8 compound balances traction and tread stability on mixed terrainOpen lug pattern with multiple sipes lets the tread wrap over small edgesAvailable for 1.9 inch standard and Class 1 bead seat
$22-$28 Check price on Amazon
No. 2 Amazon JConcepts Fling King 1.9 Crawler Tires Green Compound (pair)
4.5

JConcepts Fling King 1.9 Crawler Tires Green Compound (pair)

The mega-lug mud specialist in JConcepts green super-soft compound. Designed to throw loose material and dig into soft terrain where smaller treads pack with mud.

Best for Crawlers who run mixed dirt, mud, and loose rock where a tightly spaced tread packs out.

Large, widely spaced lugs fling loose dirt and mud for continued tractionSuper-soft green compound adds grip on wet rock facesIncludes foam inserts in the box, ready to mount
$24-$30 Check price on Amazon
No. 3 Amazon RC4WD Interco Super Swamper TSL Bogger 1.9 Scale Tires (pair)
4.2

RC4WD Interco Super Swamper TSL Bogger 1.9 Scale Tires (pair)

Licensed replica of the full-size Super Swamper Bogger in X3 soft compound. The tallest tire in the 1.9 class and a scale showpiece as much as a performance option.

Best for Scale builders who want the most recognizable mud-terrain look and can accept minor performance trade-offs versus pure crawl tires.

Licensed Interco TSL tread pattern looks exactly like the full-size counterpartTallest outer diameter in the 1.9 class adds ground clearanceX3 soft compound provides decent grip on rock
$22-$28 Check price on Amazon
Traxxas TRX-4

Top picks for the TRX-4

Top Pick Amazon Pro-Line Hyrax 1.9 G8 Rock Crawling Tires (pair)
4.7

Pro-Line Hyrax 1.9 G8 Rock Crawling Tires (pair)

The default benchmark for 1.9 inch rock crawling. Open tread with deep sipes and G8 compound that grips rock faces without the squirm of pure competition rubber.

Best for SCX10 and TRX-4 owners who want the community's proven baseline tire before experimenting with specialty compounds.

G8 compound balances traction and tread stability on mixed terrainOpen lug pattern with multiple sipes lets the tread wrap over small edgesAvailable for 1.9 inch standard and Class 1 bead seat
$22-$28 Check price on Amazon
No. 2 Amazon JConcepts Fling King 1.9 Crawler Tires Green Compound (pair)
4.5

JConcepts Fling King 1.9 Crawler Tires Green Compound (pair)

The mega-lug mud specialist in JConcepts green super-soft compound. Designed to throw loose material and dig into soft terrain where smaller treads pack with mud.

Best for Crawlers who run mixed dirt, mud, and loose rock where a tightly spaced tread packs out.

Large, widely spaced lugs fling loose dirt and mud for continued tractionSuper-soft green compound adds grip on wet rock facesIncludes foam inserts in the box, ready to mount
$24-$30 Check price on Amazon
No. 3 Amazon RC4WD Interco Super Swamper TSL Bogger 1.9 Scale Tires (pair)
4.2

RC4WD Interco Super Swamper TSL Bogger 1.9 Scale Tires (pair)

Licensed replica of the full-size Super Swamper Bogger in X3 soft compound. The tallest tire in the 1.9 class and a scale showpiece as much as a performance option.

Best for Scale builders who want the most recognizable mud-terrain look and can accept minor performance trade-offs versus pure crawl tires.

Licensed Interco TSL tread pattern looks exactly like the full-size counterpartTallest outer diameter in the 1.9 class adds ground clearanceX3 soft compound provides decent grip on rock
$22-$28 Check price on Amazon
Scale Builders

Scale bodies and accessories

Top Pick Amazon RC4WD Interco Super Swamper TSL Bogger 1.9 Scale Tires (pair)
4.2

RC4WD Interco Super Swamper TSL Bogger 1.9 Scale Tires (pair)

Licensed replica of the full-size Super Swamper Bogger in X3 soft compound. The tallest tire in the 1.9 class and a scale showpiece as much as a performance option.

Best for Scale builders who want the most recognizable mud-terrain look and can accept minor performance trade-offs versus pure crawl tires.

Licensed Interco TSL tread pattern looks exactly like the full-size counterpartTallest outer diameter in the 1.9 class adds ground clearanceX3 soft compound provides decent grip on rock
$22-$28 Check price on Amazon
Best Value Amazon Pro-Line 2021 Ford Bronco Hard Body 313mm Wheelbase
4.7

Pro-Line 2021 Ford Bronco Hard Body 313mm Wheelbase

The most popular licensed scale crawler body of 2026. Hard plastic ABS with detailed Bronco grille, fender lines, and window frames for SCX10 III and TRX-4 builds.

Best for SCX10 III and TRX-4 owners who want a convincing modern 4x4 appearance on their most-used platform.

Licensed Ford Bronco replica with accurate grille and body contourHard ABS plastic holds painted detail better than Lexan under heatFits 313mm wheelbase rigs including SCX10 III and standard TRX-4
$45-$65 Check price on Amazon
No. 3 Amazon Killerbody Toyota Land Cruiser LC70 Hard Body 313mm
4.8

Killerbody Toyota Land Cruiser LC70 Hard Body 313mm

The most beloved classic hard body in the crawler hobby worldwide. Detailed LC70 exterior with accurate window lines and panel shapes. Available painted or raw.

Best for Scale builders who want the most recognizable and respected classic body shape in the crawler community.

Iconic LC70 profile universally recognized as the benchmark scale bodyDetailed grille, door panels, and windshield surroundAvailable in factory-painted versions for a ready-to-run appearance
$55-$85 Check price on Amazon
6
Categories covered
34
Upgrade paths reviewed
1.9 + 2.2
Tire sizes covered
5
Platforms supported
Build guides

Upgrade in order

Low-angle view of an Axial SCX10 with Pro-Line tires and aluminum shocks on red sandstone, upgrade parts laid out on a dark workshop surface beside it
10 min read

Best First Upgrades for the Axial SCX10

The seven upgrades that transform a stock SCX10 into a capable trail rig, ranked by impact per dollar and covering shocks, tires, ESC, and servo.

Read guide Traxxas TRX-4 scale crawler on a rocky trail at golden hour, RCAWD aluminum shocks and a scale hard body visible, red sandstone terrain in background
9 min read

Traxxas TRX-4 Upgrade Path: Where to Spend First

A practical upgrade path for the Traxxas TRX-4, from the first shock and servo swaps through brushless conversion, scale accessories, and LiPo setup.

Read guide Pro-Line Bronco and Killerbody Land Cruiser hard bodies side by side on a dark workshop surface, panel lines and unpainted ABS detail visible under warm directional light
8 min read

RC Crawler Scale Body Guide: Hard Plastic vs Lexan

How to pick the right scale crawler body for your platform, covering wheelbase measurement, hard plastic versus Lexan, recommended bodies for SCX10 and TRX-4, and paint tips.

Read guide Two Zeee 2S LiPo packs with XT60 connectors beside an ISDT Q6 Plus balance charger on a dark matte workshop surface, warm bench lamp overhead
9 min read

RC Crawler LiPo Guide: 2S vs 3S, Run Time, Safety

A complete guide to choosing, charging, and caring for LiPo batteries in 1/10 scale rock crawlers, covering 2S vs 3S voltage, capacity, connector types, and safe storage.

Read guide

Platform-neutral. Fitment-verified. Independently tested.

Platform-specific fitment No paid placements Builder-tested picks Updated 2026

Browse by upgrade category

Best RC Crawling Tires and Foam Inserts

RC Crawling Tires and Foam Inserts

Best RC Crawler Shocks and Suspension

RC Crawler Shocks and Suspension

Best Scale RC Crawler Bodies

Scale RC Crawler Bodies

Best RC Crawler Motors, ESCs, and Electronics

RC Crawler Motors, ESCs, and Electronics

Best RC Crawler Scale Accessories

RC Crawler Scale Accessories

Best RC Crawler Batteries and Chargers

RC Crawler Batteries and Chargers

Editor Top Picks

Top Pick Pro-Line Hyrax 1.9 G8 Rock Crawling Tires (pair) $22-$28 View deal
Top Pick RCAWD Aluminum SCX10 Oil-Filled Shocks Front and Rear (set of 4) $28-$42 View deal
Top Pick Pro-Line 2021 Ford Bronco Hard Body 313mm Wheelbase $45-$65 View deal