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Service

2014 free hub changes

In mid-August 2014 we changed free hub forged vendors to improve tolerances for both SRAM / Shimano (red) and Campy (blue) free hubs. The updated free hubs are identified by two indentation dots on the pawl pocket and no lines scribed across the splines. The new free hubs have noticeably sharper spline edges.

2013 Zipp 188 V8 free hub for 11 speed

The 11 speed free hub is not compatible with the previous version (V7) of the 188 free hub. It is recognized by the "11 SPD" laser etching and is assigned an individual serial number. This free hub must be used with the 2013 black axle and non-drive side end-cap. To run 10 speed with this free hub, you will need the extra spacer (supplied with new wheels and conversions). In March 2013 the spacer was changed to a black color. Install this spacer with the smooth side towards the spokes and place before the largest cog.

1.85mm spacer needed to run 10 speed with 2013 V8 11 speed free hub

 

Free hubs Zipp 188 hubs 2009 – 2012

Major changes in pawl design and shape. Each pawl now has its own leaf spring. Pawl socket ring is scalloped, seal is black. These free hubs are NOT interchangeable with earlier 182 or 208 models and are only sold in a conversion kit with seals, shims and end caps. This free hub is used with the silver V6 2009-2011, gray or black V7 2012 hubs and cannot accommodate Shimano 11 speed. Note the 61803 bearings to accommodate the larger 17mm axle.

This image shows the correct orientation and placement of pawl springs and pawls in the 188 free hub body.

Easy Identification -
Can you spot your free hub?

Free hubs Zipp 182 - 208 hubs 2005-2008

Top image, the difference between machined (left) and forged (right) Shimano free hub bodies is a dull, deeper maroon, rougher surface finish and a scribed ring 1/3 towards the seal between the body and the red pawl carrier in the forged body. Since mid year 2005, Shimano free hubs are red and Campagnolo are blue. These bodies have 2 x 61082 bearings and a red seal between the pawl carrier and the main body.

Top: Machined and forged
Bottom: Shimano red Campagnolo blue

202P and 202W models 202P

This where we find the largest confusion. 202P has the grooves extending all the way across the main body with a small lip on the splines. 202P Campagnolo on left, 202P Shimano in the center. The 202W (Shimano) has a solid silver ring at the back between the pawl carrier and the main body, the grooves are blocked. The bottom image shows 202P free hubs Campagnolo left and Shimano right.

282 models

Champagne color with a solid back ring between the splines and the pawl carrier, Campagnolo on left, Shimano on the right. Bearings = 2 x 6901RS

Post 1999

Campagnolo changed their design, giving rise to deeper grooves different angles, a stepped spline and variable spline / grove widths, e.g. compare the two free hubs on the left with the two Shimano free hubs on the right, which have shallow evenly spaced splines and groves.

1999 and Earlier

Shimano and Campagnolo bodies looked very similar. The Campy body (left) had a single wider spline, groove depths were the same. This refers to our Balistic and Zipp 217 and 377 models.