Bridge­stone Bat­t­lax S21


Motorcycle News (UK) - - Tyre Guide -

In­tro­duced in 2016 to re­place the S20, the Bat­t­lax S21 uses new com­pounds – three on the front tyre and five on the rear. The com­pounds on the front are de­signed to im­prove sta­bil­ity in a straight line and un­der brak­ing. The rear has a hard-wear­ing cen­tral strip sur­rounded by medium com­pound sec­tions for per­for­mance un­der ac­cel­er­a­tion. Then the extreme edges are the soft­est com­pound for op­ti­mum grip at lean.

What are they like?

Bridge­stone launched the S21 at the de­mand­ing Bahrain F1 track, and they were more than up to the chal­lenge. Sta­bil­ity un­der brak­ing was also first-rate, espe­cially im­pres­sive on the non-abs bikes. Rear grip while brak­ing was also strik­ing, the rear re­fus­ing to break loose un­til pro­voked.

Turn-in rate was pre­dictable with ex­cel­lent feed­back, grip was im­pres­sive and we could hold on to the brakes with some force up to the apex – more so on the 600cc ma­chines we had on test. The only down­side seems to be a lack of feel in colder, damp con­di­tions.

Sizes avail­able

Front: 110/70 R17, 120/60 R17, 120/70 R17, 130/70 R16 Rear: 150/60 R17, 160/60 R17, 180/55 R17, 190/50 R17, 190/55 R17, 200/55 R17 Q Con­tact www.bridge­

Clever use of com­pounds de­liv­ers plenty of grip

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