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The GS1 Evo redefines what ergonomic comfort can be for bikepacking
adjustable pressure to the tool
OChain chainring with OChain nuts is the only chainring guaranteed to be compatible
36 NA: Upgrade low friction air piston assembly & upgrade topout spacer ring
5mm for wide cranks)
e*thirteen Helix Race e*spec Chainring, 36T, Bosch Gen4 Direct Mount, 13mm Offset, Shimano/SRAM 11/12s Compatible, super-alloy-racing The GS1 Evo redefines whatHelix Core e*spec Direct Mount Chainrings feature a narrow wide tooth profile, for reliable chain retention and an extra long wear life. Helix Core e*spec rings are cold formed from steel and then heat treated to provide excellent durability and toughness, all at a price that's easy on your wallet. e*thirteen Helix E*Spec Direct Mount Chainring eBike Chainrings and Sprockets EAN: 4710751509672
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