Park Tool FR-4 Freewheel Remover - Atom, etc bikebox The XOSS BBP Beat Band

The XOSS BBP Beat Band Pro is a lightweight and waterproof heart rate monitor armband designed for all types of training

3-bolt mounts make for easy installation

RVs and tractors with a maximum tyre thickness of 1-1/8” and a minimum thickness of 3/16” at the point of the puncture

Overcurve: asymmetrical construction that ergonomically conforms to the foot’s anatomy

Park Tool FR-4 Freewheel Remover - Atom, etc bikebox The XOSS BBP Beat BandThe FR 4 is designed to fit the 20 spline tool fittings found on older SunTour freewheels. Constructed from heat treated alloy tool steel, the FR 4 features a 1" tool fitting for use with an adjustable wrench, socket, or bench vise. Features Fits 20 spline tool fittings with an approximate outer diameter of 21. 6 mm Fits Atom, Regina, splined Zeus, and some Schwinn approved freewheels 1" hexagonal base compatible with a 1" socket or wrench Mfr Claimed