Michelin B6 Protek Max Tube 27.5"x2.4-3.0" SV 48mm MFPN=11.5378.803.004 The Hellbender 70 bottom bracket

The Hellbender 70 bottom bracket utilizes bearings made of 440C stainless steel providing exceptional ride quality and reliability while striking a perfect balance between value and lasting performance

Equipped with ButterCups that dampen high-frequency vibrations before they hit the riders hands

Quick Twist bracket mounts adjusts or removes without tools

2 stainless steel ergonomic keys

SRAM engineered the oversized DUB spindle to work across every bottom bracket standard simplifying crankarm compatibility

Michelin B6 Protek Max Tube 27.5"x2.4-3.0" SV 48mm MFPN=11.5378.803.004 The Hellbender 70 bottom bracketThe best guarantee of keeping tires inflated for longer Combination of liquid sealant and butyl technology ensures excellent pressure hold Puncture protection thanks to an internal liquid sealant and engineered tube design Model B6 Protek Max Material Butyl Tire Size 27. 5" Tire Width 2. 4 3. 0" Valve Schrader Length 48mm Weight 405g Valve Type Schrader