CRF250R & X Skid Plate &Engine Guards818/998-2426; www.stormcycles.comThe skid plate and engine guards come anodized in red or black (plate, $74.99; guards, $129.99) or sliver (plate, $119.99; guards, $129.99) and have air vents to keep your CRF from overheating.
Troy Lee DesignsGP Air Gear951/371-5219; www.troyleedesigns.comBreathable air mesh keeps you cool and the super-sweet, ostensibly Miami Dolphins-inspired styling makes you look really fast. The jersey is $42 and the pants are $135; they also come in a black and red color scheme.
MotorbooksMotocross & Off-Road Training Handbook800/458-0454; www.motorbooks.comThis $19.95 book covers everything you need to get in shape for racing motocross and off-road, from weight and aerobic training to diet and injury recovery.
Pump-XArm-Pump Combating Supplement888/435-8812; www.pump-x.comDeflate your bulging forearms with a supplement specifically made to reduce arm-pump. $39.95 buys you 60 capsules or 10 doses. May require a doctor's check.
RenthalCRF150/230 Final Drive Kit 428 Conversion877/736-8425; www.renthal.comBy using a smaller chain, this $159.95 kit saves more than two pounds of unsprung weight and improves acceleration and throttle response.
Vehicle SystemsTailgate Latch Bar510/482-7563; www.vehicle-systems.comThe $49.95 Latch Bar gives the bed of your truck just enough room for your bike's rear wheel without carrying around a bulky bed extender.
Moto-Tek3 in 1 Motorcycle Stand818/592-0735; www.moto-tek.comAs a center stand, front-wheel stand or, with the purchase of a docking device, a wheel-chocking system for transport, it offers three ways to keep your bike upright for one price of $139.95 (stand also offered without trays for $119.99).
T.M. DesignworksRear Chain Guide Shell541/535-1612; www.tmdesignworks.comIt fits just like the stock shell and uses the stock rubber insert, but it is made from a color-match plastic that retains its shape when slammed into rocks and ruts. For $43.95, it's a pretty slick replacement for a bent or broken stock part.