The dual control shimano grx di2 lever provides light, responsive shifting for mixed terrain riding. The ergonomic lever design improves comfort and the textured, non-slip brake lever increases control on bumpy terrain. the di2 version offers digital shifting precision and synchro-shift system shimano. Improved grip and confidence on rough surfaces and downhill grades " Raised hood head to prevent misalignment and hand slippage "empreinte for finger placement prevents upward slippage " Non-slip texture of the brake lever More effective braking reduces fatigue on long trips " Improved braking performance "Higher brake lever axis and curved brake lever Speed: Rear: 11 speed Color: Color series Cable length (mm): - Sheath length (mm) / color: - Countries involved: - Packaging: Individual packaging