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Shop the Andy's Favorites Sale all July long! Don't miss out on weekly deals—use code CELEBRATE20 to get 20% off.
Summer Hours: Mon. - Thurs. 8:00 AM - 5:00 PM, CLOSED FRIDAYS through 8/2/24. CLOSED on July 4th.
$44.00
These gears are the controlling factor for the SDS modules' drive gear ratios. The MK4 is compatible with all 4 drive gear ratios. The MK4i is available in ratios L1-L3. L1 and L2 ratios are the mo...Read More
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Write a ReviewThese gears are the controlling factor for the SDS modules' drive gear ratios. The MK4 is compatible with all 4 drive gear ratios. The MK4i is available in ratios L1-L3. L1 and L2 ratios are the most popular ratios and are suitable for standard full-weight competition robots. The L3 ratio is more aggressive and is recommended for lightweight robots. The L4 ratio is very aggressive and is only recommended for very lightweight mini bots.
L1 Gear Ratio 8.14:1 (MK4/4i):
L2 Gear Ratio 6.75:1 (MK4/4i):
L3 Gear Ratio 6.12:1 (MK4/4i):
L4 Gear Ratio 5.14:1 (MK4):
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