Park Tool 21oz Shop Hammer (HMR-4) BSS-003284 now with added assistance to

now with added assistance to get you up those hills faster to enjoy riding further and for even longer

Press-Fit BB Shell Width: 86mm

Introducing the Muc-Off eBike Essentials Kit

Series: Tiagra/Deore/GRX 10-speed

X-Glide 2: X-Glide 2 is next generation of SRAM X-Glide technology optimised for the Eagle 12-speed cassette

Park Tool 21oz Shop Hammer (HMR-4) BSS-003284 now with added assistance toAbout Park Tool 21oz Shop Hammer (HMR 4) Park Tool's versatile and durable shop hammer is a perfectly balanced striking instrument built for a wide variety of shop uses, from removing press fit bottom bracket cups to installing star fangled nuts. Features a precision machined forged steel striking face as well as a non marring replaceable nylon mallet head. Fiberglass shaft with soft touch grip handle. Features Weight: 880 g (31 oz.) Head weight: 590