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JMC Cycles

Sonic Bulk 20..


Introducing the new Sonic Bulk 20" Fat Bike, not only does this product look great, but all the contact points work producing a perfect geometry for a normal bike riding feel. Using motorcycle technology the tyre itsself is curved and only the top part of the tread actually makes contact with the road surface making the bike quick rolling, when cornering you then have the added benefit of the full tyre.

The bike is built on a steel frame and fork set, with single chain wheel to Shimano 6 speed twist shift drive. Alloy A-Head stem, and low rise MTB bars keep the handling smooth while the powerful linear brakes (or even more powerful disc brakes on the orange model) produce the stopping power. The main feature is the wheelset, 20 x 4" alloy rims run on widened hubs and moto inspired tyres.

Key Features:

  • Huge 20" x 4.25" tyres
  • Hi tensile steel frame
  • 6 speed Shimano transmission
  • Soft compound grips
  • Riser handlebars

Cycle Scheme

jmc cyclescheme


140 Forkhill road,
County Down,
BT35 8SU,
Tel (028) 3088 8593



JMC Cycles have been trading for over 30 years, building a reputation for quality and affordability. Over the years we have become a leading supplier of Cycles and Go-carts in the Newry-South Armagh - Dundalk areas. 

Brand Sonic
Unit Of Sale EACH
Frame 11" Hi-Tensile Steel
Fork Rigid, Hi-Tensile steel
Headset Steel, full ball bearing
Drivetrain Components Alloy 140mm with 36t sprocket
Chain KMC
Pedals 9/16" Plastic
Handlebar Steel riser
Stem Alloy A-Head
Grips Soft compound, 80mm
Saddle Junior
Tyres 20x4.25" Moto