The Radia is 661's first foray into eyewear and delivers the same level of quality and exceptional value for money that they are known for: the Radia combines a lightweight chassis with a 40mm silicone backed strap and high-quality smoke mirror lens with anti-Fog and anti-Scratch treatments for perfect optical clarity

1 x Shimano BR-MT520 + BL-MT501 disc brake

Cassette Compatibility

Dimensions and Weight: 210 x 110 x 65mm 678g

trail and XC riders looking for a comfortable

Lezyne Sport HP Drive Mini Pump - Black - 120psi PDP|Option The Radia is 661's firstCompact pump with an overlapping handle designed for high pressure tyres. Machined aluminium barrel and piston, composite matrix handle and end caps. Equipped with the Flex hose; Presta and Shrader valve compatible. Includes lightweight composite matrix frame mount. Specs: Length: 170mm Weight: 75g Max Pressure: 120psi 8. 3bar