Birzman Chain Keeper Gravel tyres

Birzman Chain Keeper Gravel tyresChain Keeper BM17 CHAIN KEEPER The Chain Keeper temporarily replaces the cassette cogs during cleaning and maintenance, holding the chains in place and away from the frame, hub bearings, rims, and disc brake rotors. Featuring a quick release lever, the Chain Keeper quickly clamps into the dropout, with the freely rotating wheel to accommodate the chain. Aluminium Construction Material Silicone Aluminium Size 85 x 40 x 11mm

optical inner frame

This highly reviewed product has garnered praise from reputable sources such as Electrek

designed to ensure a perfect combination of aerodynamics and strength

Two lever options are available

Sidewall Color: Black/Black

T25 Torx®

forks or shocks while the Thumb Lock lever ensures an airtight seal

High rigidity for quick response and higher efficiency

Measures: 8 x 15 x 8

'No-turn' inserts for Garmin or Wahoo

Multi position design: Inner and Outer mount options

and to reduce wind entrainment