SHIMANO BB-UN300-E E-Type Bottom Bracket - 68 x 122.5mm - BSA - Square Taper Compatio_Enriched The result is an H-Bar

The result is an H-Bar that is just as strong as ever

Compatible with current basic trainers and most CycleOps Pro series trainers

Guide T brings consistent performance and reliable stopping power thanks to a revised lever design and lightweight four-piston caliper

SUPER SLR design makes use of a friction-reducing mechanism lever and cable that improves response and modulation

BioViz high visibility colors and reflective elements

SHIMANO BB-UN300-E E-Type Bottom Bracket - 68 x 122.5mm - BSA - Square Taper Compatio_Enriched The result is an H-BarSHIMANO Square Type Bottom Bracket MTB Standard Structure Square Type Bottom Bracket SHIMANO quality performance cartridge bearing square bottom bracket Better chainline stability with chain line stabilizer 3 structures available Standard, E type, chain case options Adapter material: Aluminum