Top level performance, 7%¹ better on average than the MICHELIN Pro4 Service Course
Grip, handling and endurance of the highest level
Two different rubber compounds for the centre and the sides of the tread
Michelin Bi-Compound is a totally new mixture of two different rubber compounds in the same tyre!
In the centre of the tread, the rubber is more rigid for less straight line wear
On the sides, the rubber is softer and gives greater grip when cornering
A very low level of rolling resistance through a 30% reduction in casing weight (150 tpi instead of 110 tpi). This greatly limits the distortion of the casing on the road and thus restricts energy losses.
10% reduction in weight (180g) compared with the MICHELIN PRO4 Service Course (200g).
Michelin A1 AirStop Butyl Road Bike Tube Specifications:
Airstop® Butyl tubes answer the needs of everyday cyclists for economical, high quality inner tubes. In each size, Airstop Butyl tubes offer excellent puncture resistance and the consistently high quality for which Michelin is famous.
Valve Type: A1 - unthreaded
40mm presta valve - 96g
52mm presta valve -98g
Buy Michelin Pro4 Comp Tyres Red + FREE Tubes from Chain Reaction Cycles, the World’s Largest Online Bike Store.