The HollowGram crankset, paired with the any SpideRing, is an impressive upgrade for any mountain or road bike.*Updated crank arm design now includes self extracting bolt*Retrofittable on all all SpideRings and HollowGram chainsetsSelf extracting bolts for
The HollowGram crankset, paired with the any SpideRing, is an impressive upgrade for any mountain or road bike.
*Updated crank arm design now includes self extracting bolt*
Retrofittable on all all SpideRings and HollowGram chainsets
Self extracting bolts for removal
Compatible with reflective HG crank boots
172g/arm including hardware – among the lightest alloy cranks on the market
Tool-free removal
incredibly high stiffness to weight ratio
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