S1 Power Meter Spider
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Find the S1 that fits your crank
Models for leading road, mountain and track standards—choose quickly by interface and BCD.
S1 MODEL LINEUP
All models
9 compatible models
S1 Power Meter Spider
SRAM 8-BOLT 110BCD-4S
S1 Power Meter Spider
SRAM 3-BOLT 110BCD-4S
S1 Power Meter Spider
ROTOR ALDHU 110BCD-4S
S1 Power Meter Spider
SRAM 8-BOLT 104BCD
S1 Power Meter Spider
SRAM 3-BOLT 104BCD
S1 Power Meter Spider
SHIMANO MTB 104BCD
S1 Power Meter Spider
EASTON 144BCD
S1 Power Meter Spider
SRAM 8-BOLT 144BCD
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Unit calibration
Individual calibration report
2-year warranty
Core component coverage
Expert support
Selection and installation help