Chainring reinforcement Spécialités TA One DM Ovalution, One DM3 Ovalution and One DM6 Ovalution.
Increases the chainring's lateral stiffness by 55% (compared with a chainring on its own).
Minimises the impact of a shock from hitting a rock or in a crash, mainly in extreme use (Enduro, DH...).
Bolts included.
100% French design and production.