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30T rings have integrated shims and M5 chainring bolt threads to allow the smallest ring size possible on a 104 BCD crank
The ergonomically designed BO-2 is engineered and built to provide tremendous leverage
Battery： Li-ion rechargeable battery (3
Twinhead smart head
OneUp Components Under Bash Guard - ISCG 05 - 28-36T - Black YGroup_7033401180205 30T rings have integrated shimsIf you're looking for chain bash protection to add to your existing integrated chain guide, then the OneUp ISCG05 Underbash is the perfect solution. A lightweight (68g 32 34T) and incredibly tough bash guard made from 7075 aluminum and glass reinforced thermoplastic parts. The OneUp ISCG05 doesn't provide chain retention but what it does provide is a level of chain bash protection in the form of an easy to install add on to your existing chain guide.
