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41 BB/Frame Interface BB86 BB Shell Width (mm) 86 Spindle Interface Type SRAM DUB Defined Color Black
9mm Length 295mm Weight 400g Color Black Travel 80Mm
Adjustable Q factor options of 51
New internal cable routing options for Di2
Model Ratchet Description 18 Step Star Ratchet
ACS Maindrive Headset EC34/28.6|EC34/30 Blue MFPN=RTA490001 41 BB/Frame Interface BB86 BBForged steel cups, alloy tops and cap with sealed bearings Available for 1" (25. 4mm) or 1 1 8" (28. 6mm) EC (traditional cup) applications Model Maindrive S. H. I. S. EC34 28. 6 EC34 30 Color Blue Weight 157g Size EC34 28. 6 EC34 30
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