Our complete stock of hubs, rims and spokes allow us to build and ship your wheelset in just 2 days.
Bikeonline's custom wheels are handbuilt by experienced hands following your needs. Every single step of wheelbuilding is supported by the best tools available, as P&K Lie wheel stand with decimal precision, Pillar spoke tension metre and special handtools, often built by our own to reach our needs for precision.
The use of the best parts on the market, the highly skilled labor force and years of experience has meant that Bikeonline become the reference for wheelbuilding service for prestigious Italian brands that refer to us to have a high level service, effective, fast and precise.
|DIMENSIONS||27.5 x 37 x 7 mm|
|BALL MATERIAL||Chromium steel|
|BALL GRADE||10 US made|
|RACES||52100 High Carbon Chromium Steel|
|SEALS||"LLB" Dual-lip low contact|
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Grade 10 Chromium Steel Balls:
High precision balls are within 10/1,000,000″ round, twice as round as the industry standard, at it’s highest level.
52100 High Carbon Chromium Alloy Races.
Vacuum de-gassed process for the purest chromium alloy steel, hardened to R-62, extremely tough and very durable. Polished to a mirror finish for ABEC-3 precision and noiseless movement.
Riveted Steel Retainer for toughness, ABEC-3 tolerances and noise tested, C-3 or C-N Internal Clearance
The ABEC-3 Standard:
ABEC ratings are standards which require each bearing to pass many tests in order to meet the scheduled requirements. This includes noise testing at high RPM, extremely tight tolerances for the internal diameter, outer diameter, roundness of ball, trueness of races, and surface finish of all of the above. The ABEC 3 rating is a good rating for use in bicycles.
Two NBR 70 rubber LLB Dual-Lip seals with low contact type seal, which rides in a matching groove machined into the bearing.
|BALL MATERIAL||Stainless steel|