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The INTER-8 hub has increased its gear ratio to 307%, compared to 244% of the INTER-7 hub. The INTER-8 hub also incorporates a closer gear ratio allowing a more effi cient and comfortable pedaling cadence. A truly “all conditions” internal hub has arrived. Equipped: SHIMANO ALFINE/SHIMANO NEXUS INTER-8
• You can shift gears while pedaling, but on rare occasions the pawls and ratchet inside the hub may produce some noise afterwards as part of normal gear shifting operation. • The 8-gear hub has a built-in mechanism for facilitating gear shifting.
× 7-speed hub All gear positions • Products are not guaranteed against natural wear and deterioration from normal use and aging. • For maximum performance we highly recommend Shimano lubricants and maintenance products.
The table of contents below is a clickable image map:
ALFINE 8-speed Internal Hub SG-S7001-8 SHIMANO CODE NO. DESCRIPTION 1 Y3EB98010 Internal assembly (axle length 187 mm) B Y34R79000 Stop ring (diameter 12 mm / 1.0 mm) AA Y34R79010 Stop ring (diameter 12 mm / 1.3 mm) AA Y34R79020 Stop ring (diameter 12 mm / 1.6 mm) AA 3 Y3EG98020 Ring gear unit BB 4 Y3EG98030 Carrier unit BB 5 Y36W07000 Ring gear 1 AB 6 Y34R80000 Ring gear 1 stop ring AA
NEXUS 8-speed Internal Hub SG-C6061-8D MU-S705 MU-UR500 MU-UR510 S G-C 6 0 6 0-8 D SHIMANO CODE NO. DESCRIPTION * 1 Y3EE98030 Internal assembly (axle length 187 mm) Y34R79000 Stop ring (diameter 12 mm / 1.0 mm) A Y34R79010 Stop ring (diameter 12 mm / 1.3 mm) A Y34R79020 Stop ring (diameter 12 mm / 1.6 mm) A 3 Y3EG98020 Ring gear unit B 4 Y3EG98030 Carrier unit B 5 Y36W07000 Ring gear 1 A
Click here for an On-line Gear Calculator for Internally-Geared Hubs. The 8-speed hub is most efficient in 5th gear, with direct drive in both stages. 1st, 6th, 7th and 8th gear have direct drive in one of the two stages, while the power is transmitted through the gears for the others.
