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Wolf Tooth T47 External bottom bracket, 24 mm, black

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From 26.06.2026 (Friday) Check availability
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Wolf Tooth T47 External bottom brackets are designed for smooth operation, maximum durability, and easy serviceability. The unique design uses custom bearings, seals, and polymer bushings that effectively eliminate annoying squeaking. The system combines top-notch weather protection with optimized bearing compression for minimal rolling resistance. This variant is intended for T47 frames, where the bearings are located in cups outside the frame.

Premium bearings with ACOSUR ZNA surface treatment have both balls and races made of hardened chrome steel, which has a higher surface hardness than stainless steel. This guarantees a longer service life and quieter operation. Thanks to the special ACOSUR ZNA coating, the bearings are more resistant to corrosion. Combined with sophisticated sealing and the elimination of metal-to-metal contact, these formulations provide top performance in any conditions.

  • Wide compatibility with cranks with 24 mm axle
  • External version for installing bowls outside the frame
  • Adjustable width for T47 center sockets with a length of 68 mm to 73 mm
  • Quiet operation thanks to polymer axle bushings
  • Maximum protection against water, mud and dust
  • Lifetime warranty on bearings
  • Full availability of spare parts and service manuals
Product details
Specification MTB
Mount type T47/T47a
Axis type for crankset HollowTech II (HTII) (⌀ - 24 mm)
Frame width 68 mm, 73 mm
product ID 386455
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Wolf tooth is a popular brand known for manufacturing high quality bicycle components and accessories. The brand was founded by a group of cyclists in Minnesota, USA and has gained a good reputation among cyclists and mountain biking enthusiasts. Wolf tooth specializes in designing and manufacturing innovative and durable products that meet the needs of cyclists. The brand's main products include derailleurs, seatposts and small bike components.

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