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Amazon.com : Race Face Narrow Wide Cinch Chainring for Shimano 12-Speed Black, 30t : Sports & Outdoors
Shimano Tourney SL TX30 Shifter 3 6 7 18 21 velocità S TX30 sinistra destra leva del cambio Mountain Bike trasmissione MTB parti della bicicletta|Deragliatore per bicicletta| - AliExpress
Derailleur
Changes and Transmission
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Amazon.com : Jagwire - Sport Slick Stainless Universal Bicycle Shifter Cable | for Road and Mountain Bikes | SRAM and Shimano Compatible | Single-Ended | 2300 mm : Bike Cables And Cable Housings : Sports & Outdoors
DX SX TYPE PIAGGIO VESPA 150 SPRINT FAST SIDE HOOD COMPLETE RUBBER KIT | eBay
Amazon.com : Chainring Red,110x50T,Black : Bike Chainrings And Accessories : Sports & Outdoors
SRAM X01 Eagle XG-1295 Cassette - 12-Speed 10-50t Black For XD Driver – Ride Bicycles