The perfect balance between price and performance.
The 21XZ-B Version II delivers ideal performance at a reasonable price. It continues to exceed the expectations of even pro racers, delivering power comparable to the Speed Spec II at a lower price. Upgrades include a lightened cylinder head, improved cooling and a brand new 22B2 single-needle carb for easy tuning. If you're looking for incredible throttle response and the power to conquer off-road, you've found it in the 21XZ-B Version II.
Performance that rivals the Speed 21XZ-B Spec II
Shares the piston, liner and con rod of the Spec II
Easy-tune 2282 single-needle carb
Optimized power band
Silicon-filled crankshaft with tungsten counter weights
Low center of gravity
Blue anodized head
Incredible throttle response
1.77 in (45 mm) at mounting tabs
12.77 oz (362 g)
0.641 in (16.27 mm)
P3 Turbo Ultra Hot
0.661 in (16.8 mm)
0.213 cu in (3.49 cc)
2.5 in (64.5 mm) from backplate to drive hub
4 in (102.1 mm)
4,000 - 42,000 rpm
Club Points Information
Horizon Hobby RC Club:
The points displayed are points you will earn based on your membership level and the cost value of the product. Be sure you are Signed In to your account to see the most accurate points you will earn on your purchase. Points are awarded and available for use once your entire order has shipped complete.