TRX-4 Defender Upgrades - How to make it crawl steep rocks

Best crawling mods and upgrades for the TRX-4 rc truck - TRX4 - Support RCReview and shop here:
Hobbywing Axe: https://amzn.to/2tQ4Hll
Animos $18 servo with metal servo arm - https://amzn.to/2WBMq8C
The Lewan Soul version is here for $17 - https://amzn.to/2WDlaGE
The PowerHD version is here for $25 - https://amzn.to/2BrmLqn
Savox 1210 - https://amzn.to/2VD9TG6
Proline Hyrax - https://amzn.to/2DVp3iT
Proline KM3 - https://amzn.to/2WV6jrp
Traxxas TRX4 crawlers and parts - https://bit.ly/2KKUvoN
TRX-4 Sport Assembly for $279 - https://bit.ly/2XArgLf
TRX-4 Blazer for $479 - https://bit.ly/322odLd
TRX-4 Assembly for $369 - https://bit.ly/2RJsiQ0
TRX-4 Sport for $339 - https://bit.ly/2XcxnGc
TRX-4 Bronco for $449 - https://bit.ly/2KOkRpJ
TRX-4 Defender for $449 - https://bit.ly/2XA4EKZ
TRX-4 Sport with TRAXX for $569 - https://bit.ly/2RFU4gb

Amazon:
trx4 Sport Kit $315 - https://amzn.to/2XAMyFp
trx4 Sport - $360 - https://amzn.to/2K4cdDm
trx4 Chevy Blazer - $480 - https://amzn.to/2WTOZpw
trx4 defender for $480 - https://amzn.to/2RE94NW
trx4 tactical for $450 - https://amzn.to/2SNRaFF
trx4 bronco for $480 - https://amzn.to/2si1tGv
trx4 kit for $400 - https://amzn.to/2C9Ee64

Buy your kits and upgrade parts from this Amainhobbies link to support RC Review: https://snp.link/6640d084

Join the RC Review Facebook Group here: https://www.facebook.com/groups/302319827122846 for early videos and extra footage.

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