Introduction
Compatibility
Crank sets
The product is compatible with the following crank sets.
Crank sets Remarks
SHIMANO FC-7900 Crank lengths of 165, 167.5, 170, 172.5, 175 mm, crank set of 50-•
34T(FC-7950), 52-39T(FC-7900), 53-39T(FC-7900) are compatible. *
SHIMANO FC-7950
* Descriptions in this manual are for a 170 mm crank set (FC-7950).
Bottom bracket
The following bottom brackets are compatible.
Bottom bracket Names of products Remarks
HOLLOWTECH II,
JIS68
SHIMANO SM-BB7900 and
SM-BB6700 *
Uses magnet ring attachment.
* SHIMANO SM-BB9000 is not compatible.
When you use the following bottom brackets, you need the special optional parts
(sold separately).
Bottom bracket Names of products Remarks
BB86 Pioneer SGY-BB86 and
SGY-BB86C Attaches directly to magnet ring and
optional parts (sold separately).
BB30 Pioneer SGY-BB30 and SGY-BB30C
PF30 Pioneer SGY-BBPF30 and SGY-BBPF30C
This product is designed to be used for recreational cycling and cycle training
applications only and is not designed to withstand racing conditions.
Additionally, this product is designed to be used while cycling on paved roads
only. Any damage or malfunction arising from use in racing or riding on dirt roads,
cobblestone or any other unpaved roads will not be covered by the manufacturer’s
limited warranty.
Installing and calibrating the product requires specialized techniques and tools. Ask
the shop where you bought the product to install and calibrate it.
