TIREBLADDERS
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Type B curing bladder

MT80/90-21

Motorcycle Tire Curing Bladders

Tire curing bladder with diagonal etched grooves on a neutral background
Representative Product Image. General authorized tire curing bladder photography; it is not a model-specific image of MT80/90-21.
Dimensions are transcribed from the supplied 2025 catalogue. Final model selection, compatibility and drawings require technical confirmation before ordering.

Application category

Motorcycle Tire Curing Bladders

Structure type

Type B

Reference tire size

80/90-21

Source technical data

Foot Inner Diameter456 mm
Foot Height20 mm
Foot Width8 mm
Foot Gauge6.5 mm
Central Gauge5 mm
Outside Diameter504 mm
Overall Height370 mm
Effective Periphery390 mm
Etching Pattern2#
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Related listings share an application category; this does not confirm interchangeability or compatibility.