ATHENA Cylinder Kit Ø79mm - Honda CRF250R (20-)Standard Bore Cylinder Kit Same reliability and performance of the original components Maximum durability and smoothness guaranteed by a special nickel and silicon treatment Gaskets developed with the most advanced technologies to ensure maximum tightness even at high temperatures and pressures Athena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance. All the

With 5 shell sizes the Custom 500 is sure to give the rider a personalized fit regardless of where you are on the size chart

Cold forged for increased strength

The Custom 500 is the epitome of a classic 3/4 helmet

Spare Parts : Piston 9244DA – Piston Rings : 272440 - Top engine gasket : 602245

One of the most advanced race helmets on the market

Reduced chance of damage if you crash

Mud free design

Exhaust Cam Lobe Duration at 1mm: 260

Quieter than metallic protections

Polisport levers are designed to mount into stock perch and master cylinder

Woven four-way stretch finger sidewall provide flexibility

It provides unsurpassed rust and corrosion protection