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Wolf Tooth's SDM® chainrings replace your existing spider and chainring with one clean looking
This ensures each effective edge is kept in place under high cornering and braking loads leading to reduced rolling resistance and increased wear life
130mm long with a 30mm outer diameter for less weight (50g)
3 Cyclone Chain Scrubber
spindle CrMo size 9/16" color turquoise weight 377g
Cane Creek Hellbender 70-Series Headset - ZS44/28.6|ZS56/40 - Gold MFPN=SCNB34.9 Wolf Tooth's SDM® chainrings replaceDesigned to bridge the gap between the 40 and 110 series headsets Contoured and relieved 6061 T6 aluminum for minimized weight and maximized strength Low friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover with no loose parts. Premium, sealed stainless steel Hellbender bearings Dual Seal crown race provides excellent seal efficiency with low friction Carbon friendly compression ring and Interlok