julio 27, 2026
GOBRP is a 100% volunteer not for profit organization (501(c)(3)). 100% of proceeds goes to providing bicycles to students, families, kids, and anyone who needs a bicycle. Based in Golden Colorado.
julio 27, 2026
Deore XT | RD-M8100-SGS. Cage Length: Long | 51T Max.
julio 27, 2026
Shimano Ultegra XT M8100 Chain 12 speed. Available in 6 Pre-Waxed blends. Pre-Waxed chains undergo our 4 step process to maximize longevity of the wax coating. Run on a machine to articulate and shed the chain.
julio 27, 2026
SHIMANO DEORE XT - Rear Derailleur - SHIMANO SHADOW RD+ - 1x12-speed. New bumper added to rear derailleur pulley cage. Decreased rear derailleur and chain tension in low gear. Fast and precise shifting performance optimized to take on any trail.
julio 27, 2026
RD-M8100-SGS SHIMANO DEORE XT - Rear Derailleur - SHIMANO SHADOW RD+ - 1x12-speed The all-new SHIMANO DEORE XT M8100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range. FEATURE Faster and shockless shifting Low-profile design Wide range 12-speed drivetrain with low sprocket combination -10-51T Decreased rear derailleur and chain tension in low gear New bumper added to rear derailleur pulley cage Bigger 13T pulley BENEFIT Fast and precise shifting performance optimized to take on any trail Silent drivetrain in all gear positions Stable drivetrain on rough terrain SKU: RD-M8100 ----------------------------------------------------------------------------------------------------------------- RD-M8120-SGS SHIMANO DEORE XT - Rear Derailleur - SHIMANO SHADOW RD+ - 2x12-speed The all-new SHIMANO DEORE XT M8100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range. FEATURE Faster and shockless shifting Low-profile design Extra wide range with front double 36-26T & close step 12-speed drivetrain with low sprocket combination -10-45T Decreased rear derailleur and chain tension in low gear New bumper added to rear derailleur pulley cage Bigger 13T pulley BENEFIT Fast and precise shifting performance optimized to take on any trail Silent drivetrain in all gear positions Stable drivetrain on rough terrain SKU: RD-M8120 ***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***
julio 27, 2026
Shimano XT RD-M8100 + SL-M8100-R 12 Speed Groupset SL-M8100-R SHIMANO DEORE XT - RAPIDFIRE PLUS - Right Shift Lever - Clamp Band - 12-speed SHIMANO's RAPIDFIRE PLUS DEORE XT shift lever delivers light and responsive front shifting for improved control out on the trail. The new I-SPEC EV lever offers a wide range of adjustments including increased lever slide range. FEATURE Quicker lever access and light operation Instantaneous push and pull movements -35% shifting operation force (vs SL-M8000-R) 20% quicker main lever access (vs SL-M8000-R) BENEFIT Quick and easy shifting heightens focus and control RD-M8100-SGS SHIMANO DEORE XT - Rear Derailleur - SHIMANO SHADOW RD+ - 1x12-speed The all-new SHIMANO DEORE XT M8100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range. FEATURE Faster and shockless shifting Low-profile design Wide range 12-speed drivetrain with low sprocket combination -10-51T Decreased rear derailleur and chain tension in low gear New bumper added to rear derailleur pulley cage Bigger 13T pulley BENEFIT Fast and precise shifting performance optimized to take on any trail Silent drivetrain in all gear positions Stable drivetrain on rough terrain Include: 1 x Shimano RD-M8100 Rear Derailleur SGS 1 x Shimano SL-M8100-R Right Shifter SKU: SET-M8100-SL/RD ***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in the retail packaging.***
julio 27, 2026
SHIMANO DEORE XT - Rear Derailleur - SHIMANO SHADOW RD+ - 1x12-speed. New bumper added to rear derailleur pulley cage. Decreased rear derailleur and chain tension in low gear. Fast and precise shifting performance optimized to take on any trail.
julio 26, 2026
julio 26, 2026
julio 26, 2026
Achieve smooth shifting and maximum durability. Length: 126 links. -The front drive makes the chain stable on the center line of the cross chain, and the rear drive is noiseless and the drive is stable.
julio 25, 2026
Group: XT M8100. Features - XT SL-M8100 2x12-speed Shift Lever Set Rapidfire Plus (Mono). Shifter Type Mounting: Clamp. Quicker lever access and light operation force maintains rider concentration. Clamp bolt: Stainless steel.
julio 25, 2026
Achieve smooth shifting and maximum durability. -The front drive makes the chain stable on the center line of the cross chain, and the rear drive is noiseless and the drive is stable. -Made of high-quality steel, the service life is longer than traditional chains.