Dunlop Geomax Factory Spec Front Motorcycle Tire 80/100-21 51M

Factory-level feel for soft and intermediate ground

The Dunlop Geomax Factory Spec 80/100-21 51M front tire is the tire Dunlop races, built for feel, response and traction in soft-to-intermediate terrain.

• Factory-level construction: Enhanced ply materials and a larger bead apex improve feel and response.
• Sidewall support: Helps manage heavy braking, fast jump transitions and hard impacts.
• PCBT: Progressive Cornering Block Technology reduces knob deformation for better handling.

Compare Dunlop tread patterns in this size

• Soft-to-intermediate MX: Dunlop Geomax MX3S - directional tread for loam, sand and mixed soil.
• Soft-to-intermediate: Dunlop Geomax MX34 - corner drive and confidence on soft-to-intermediate ground.
• Factory race feel: Dunlop Geomax Factory Spec (this tire) - Dunlop's race tire for soft-to-intermediate tracks.
• All-terrain racing: Dunlop Geomax AT82 - one tread for soft, intermediate and hard-packed ground.

Specifications

Will it work with your bike?

Match the 80/100-21 front size and 51M load/speed rating to your owner's manual or the tire placard. Dunlop lists a rim width of 1.60 in. for this size. Rim diameter alone does not confirm fit.

This is a bias tire: do not mix bias and radial tires on the same motorcycle unless the motorcycle or tire manufacturer approves it. It is tube-type; fit a new, correctly sized tube.

Sold individually. Check fit before mounting: mounted tires cannot be returned. Need a fit check? Send us your bike's year, make and model or call (970) 637-6000.