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ROTOR 100×4 Chainring for INspider MTB
May 15, 2026Price range: $100.00 through $125.00
1x round and oval chainring for ROTOR INspider MTB Power Meters
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ROTOR 100×4 Chainring for INspider MTB
The ROTOR 100×4 Chainring for INspider MTB uses a unique 100×4 bolt pattern that is compatible with both the ROTOR INspider MTB and INspider MTB Shimano power meter. CNC-machined from 7075-T6 aluminum alloy and featuring wide – narrow technology, this chainring is designed for 1x drivetrains and is compatible with a wide variety of groupsets including 11- and 12-speed Shimano and SRAM.
Compatibility
- Crankset: 100 BCD 4-bolt asymmetric pattern is compatible with INspider MTB and INspider MTB Shimano power meters
- Chain: Compatible with 9-, 10-, 11- and 12-speed SRAM and Shimano groupsets in addition to 13-speed ROTOR groupsets
Specs
- Color: Black
- 100 BCD 4-bolt
- Features wide - narrow technology
- 100% CNC-machined, 7075-T6 aluminum alloy
- Compatible with 9, 10, 11, 12, and 13-speed groupsets
- Weight: 50 grams (34)
Q&A
Have a question about this? Ask the staff.
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Kent (verified owner) –
ROTOR 100×4 Chainring for INspider MTB Review:
Item is well made with precise tooth measurements, no machine marks, etc. Mated it to a Rotor inspider power meter and Shimano SLX crankset. Installation was straightforward. The chainring will fit on the spider with either side facing outward. Contacted Rotor and they said the side with lettering goes outboard. A couple of rides in and it is working fine.
Power Meter City –
We appreciate the detailed review, Kent! It’s great to hear the chainring paired well with your setup and that installation went smoothly. Enjoy the rides ahead!