Problem Solvers Bushnell Eccentric Lightweight Bottom Bracket - 68mm x 54mm BLK MFPN=11.4018.010.231 5" / 15mm Lowers &

5" / 15mm Lowers & Bushing Sets

Rim Durability - rim has internal reinforcements and thicker walls vs

Flat screwdriver 1

Compatible with Garmin Edge Touring & the Garmin Edge 20

ACTIVE Comfort seat insert

Problem Solvers Bushnell Eccentric Lightweight Bottom Bracket - 68mm x 54mm BLK MFPN=11.4018.010.231 5" / 15mm Lowers &Problem Solvers Bushnell Eccentric Lightweight Bottom Bracket 68mm x 54mm Black. The Problem Solvers Bushnell Eccentric Bottom Bracket is the industry leading design for chain tension adjustment on tandem and dedicated single speed bikes equipped with eccentric bottom bracket shells. The lightweight version features additional machining and drilling of the alloy body to reduce weight. Accepts English threaded bottom bracket cups (1. 37 X 24 tpi)