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e*thirteen Helix Race Cassette 12s 9-50T Intergalactic Blue
Adapted from the proven Mezcal XC tread design
Built-in brake sensor to activate max output for warning when braking
elevating your performance to new heights
Handles have standard mounting diameter of 19mm or 22mm
GO Frame Mounting Bar for Baby Seat Bobike Code:8015300213 e*thirteen Helix Race Cassette 12sGO Frame Mounting Bar for Child Seat Bobike For bikes without a carrier. Imagine, you have a Bobike GO maxi with carrier mount but your bike (or your partner's or grandma's or grandad's) doesn't have a carrier. If that's the case, this frame bar is the solution. You mount it on the seat tube of your bicycle (this requires the Bobike GO safety holder #8015300194) and it fits round tubes with a diameter between 28 40 mm and it's suitable for 26" and 28"
