Rohloff Splined Sprocket - 16 Tooth Steel Reversible MFPN=RF740-GKX1-P-D2 Silkworm technology incorporated into casing

Silkworm technology incorporated into casing beneath tread to increase puncture and tear resistance

CNC aluminum inflator head that fits Presta / Schrader valves

Battery Type Lithium Ion Connectivity ANT+ BT SMART Customizable Screen Yes GPS Yes Heart Rate Monitor Yes Primary Color Black Touchscreen Yes External Sensor Compatibility Speed/Cadence/HR Wristband Black - Silicone Watch Color Slate Solar Charging No

unless using a Bash ring

Designed for competitive athletes

Rohloff Splined Sprocket - 16 Tooth Steel Reversible MFPN=RF740-GKX1-P-D2 Silkworm technology incorporated into casingRohloff Internally Geared Hub Cogs Model Speedhub Sprocket Description Splined Sprocket Hub Rohloff Speedhub Teeth 16 Chain 3 32" Color Silver