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The TWIN AIR 177759SL09 set of radiator sleeves is designed for HONDA CRF 250, CRF 450 from 2021 to 2026. Radiator sleeves are fine-mesh covers slipped over the radiators. They stop dirt, sand and mud before they clog the fins: air keeps flowing and the engine stays at a good temperature.
The sleeves are made for the shape of your bike's radiators: check the model and years. Wash them after every muddy ride: clogged mesh blocks the air just like a dirty radiator.
Twin Air, a Dutch brand founded in 1972, made its name with foam air filters, which according to the brand are fitted as original equipment by more than 30 manufacturers. Its off-road range also covers seats, radiator protection, mud foam and oil cooling kits.
Do the sleeves make the engine run hot?
When they're clean, they let the air through. It's built-up mud and dust that cause problems: wash them with water after every ride.
Does the product contain a pair?
The pack size is given in the name: a pair, or a single sleeve for bikes with only one radiator.
Check the exact model and year of your bike in the list below before ordering.
Fits:
HONDA CRF 250 2026
HONDA CRF 250 2025
HONDA CRF 250 2024
HONDA CRF 250 2023
HONDA CRF 250 2022
HONDA CRF 450 2026
HONDA CRF 450 2025
HONDA CRF 450 2024
HONDA CRF 450 2023
HONDA CRF 450 2022
HONDA CRF 450 2021
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