Park Tool HMR-4 Steel and Nylon Head Shop Hammer Coolers TruVativ Trushift Chainring

TruVativ Trushift Chainring

When the sun breaks through

Serfas® Tires are covered by our 30 Day Warranty which guarantees a product free of defects in material and/or workmanship up to 30 days after purchase

Application Tips and Requirements:

Lightweight design is comfortable for all-day wear during alpine and climbing adventures

Park Tool HMR-4 Steel and Nylon Head Shop Hammer Coolers TruVativ Trushift ChainringThe perfect shop hammer! Designed and built specifically for bicycle work The HMR 4 has a fiberglass shaft, a soft touch rubber grip, and a two sided headsteel on one side and a replaceable plastic head (part #293) on the other side 13. 5" long (345mm). Steel striking face: 1 3 8" (35mm) diameter Plastic face: 1 11 16" (43mm) diameter 24 ounce head (680g)