It isn’t a revolutionary year for KTM’s mini MXers. Regardless, there are still significant upgrades to the 2021 KTM youth motocross lineup, besides the updated graphics they all get. Let’s dive into this six-model line of motocross motorcycles for youngsters.

2021 KTM 85 SX 19”/16” and 17”/14”

2021 KTM 85 SX 19”/16”

The two big guns of the KTM youth motocross line are back with several upgrades. Brakes are the big news, with a new Formula braking system with a two-piston front caliper and single-piston rear. The pads are the same size as on adult KTM motocrossers, so there is a lot of surface area there. Plus, the rear disc is 10mm larger in diameter—up to 220mm—and it is bolted to a new hub. Additionally, there’s a new roller throttle and new throttle cable, adding to smoothness and reliability.
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https://ultimatemotorcycling.com/2020/07/03/2021-ktm-youth-motocross-lineup-first-look-6-models/