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Shimano 105 Crankset 12-speed Blackfc-r7100 52/36t 170mm
AED795.00
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Shimano 105 FC-R7100 Hollowtech II road crankset, 2 × 12-speed, with 52-36T chainrings and 170 mm crank arms (IFCR7100CX26).
- Hollow aluminium arms, gloss black anodised
- 110 mm BCD, 24 mm axle, 148 mm Q-factor
- For 105 Di2 (R7150) and mechanical 105 (R7120); bottom bracket not included
The Shimano 105 FC-R7100 is the 2 × 12-speed crankset of Shimano’s 105 R7100 groupset. Shimano gives it newly designed hollow aluminium crank arms in a gloss black anodised finish, with resin ribs on the back of the chainrings that cut weight while keeping front shifts crisp. The Hollowtech II construction balances stiffness, strength, weight and rotational performance.
This is the 52-36T version with 170 mm crank arms (Shimano code IFCR7100CX26). 52-36T is the taller of Shimano’s two 105 gear options, suited to fast, flat roads like the loops at Al Qudra; the 50-34T version gives lighter gears for climbs such as Jebel Hafeet. It works with both 105 Di2 (R7150) and mechanical 105 (R7120) 12-speed groups.
Check these before you order
- Bottom bracket not included. You need a Shimano 24 mm Hollowtech II bottom bracket for your frame, threaded (for example the BB-RS500, 68 mm) or press-fit (for example the SM-BB72-41B).
- 12-speed only. Made for 105 R7100 groups: front derailleurs FD-R7100 (mechanical) or FD-R7150 (Di2), with a Shimano 12-speed chain.
- Size: 170 mm crank arms and 52-36T chainrings. Your current crank length is stamped on the inside of the arm. The same crankset with 172.5 mm arms is also listed.
- About the photos: Shimano’s FC-R7100 product photos show the 50-34T chainrings; the crank arms and finish are the same.
Not sure it fits your bike? Message us on WhatsApp +971 50 254 5363.
What makes it work
Hollow aluminium crank arms
Hollowtech II arms in gloss black anodised aluminium, formed hollow to save weight while staying stiff.
Hollowtech II, 24 mm axle
A 24 mm steel axle fixed to the drive-side arm, with a separate left arm, for Shimano Hollowtech II bottom brackets.
Ribbed chainrings
Resin ribs on the back of the chainrings are Shimano’s 105 design for lower weight and crisp shifting.
Who it is for
- Riders building or upgrading a 105 R7100 12-speed bike, Di2 or mechanical.
- Riders who want 52-36T gearing with 170 mm cranks.
- Mechanics replacing a worn or damaged 105 crankset.
Spare FC-R7100 chainrings are also available: the 52T and the 36T.
Crank, chainring and compatibility details are listed in the Information tab.
Not published by Shimano for this exact version: the weight (Shimano’s reference figure of 754 g is for 170 mm with 50-34T chainrings). Chainline, axle and bottom bracket details come from Shimano dealers’ specification sheets.
Questions people ask
Does it work with mechanical 105, or only Di2?
Both. The FC-R7100 is listed for ST-R7120 (mechanical) and ST-R7170 (Di2) shifters and the FD-R7100 and FD-R7150 front derailleurs.
Is a bottom bracket included?
No. Fit a Shimano 24 mm Hollowtech II bottom bracket that suits your frame: threaded BSA 68 mm, such as the BB-RS500 or SM-BBR60, or press-fit 86.5 mm, such as the SM-BB72-41B.
Which crank length should I choose?
Most riders keep the length they already ride; it is stamped on the inside of the crank arm. This listing is 170 mm. Shimano makes the FC-R7100 in 160, 165, 170, 172.5 and 175 mm.
52-36T or 50-34T?
52-36T gives taller gears for speed on flat roads. 50-34T gives lighter gears for climbing. Shimano offers both on the FC-R7100.
Can I replace the chainrings later?
Yes. Shimano FC-R7100 replacement chainrings are sold separately; we stock the 52T and 36T.
What is the product code?
Shimano IFCR7100CX26 (FC-R7100, 170 mm, 52-36T), EAN 4550170172503.
Talk to us
| Brand | Shimano |
|---|---|
| Discipline | Road |
| Product Type | Road crankset (2x) |
| Groupset | Shimano 105 R7100 (12-speed) |
| Model Code | FC-R7100 |
| Speed | 2 × 12-speed |
| Chainrings | 52-36T |
| Crank Arm Length | 170 mm |
| BCD | 110 mm, 4-arm asymmetric |
| Spindle | Hollowtech II, 24 mm steel axle |
| Chainline | 44.5 mm |
| Q-Factor | 148 mm |
| Crank Arm Material | Hollow aluminium |
| Finish | Gloss black anodised |
| Shifter Compatibility | ST-R7120 (105 mechanical), ST-R7170 (105 Di2) |
| Front Derailleur Compatibility | FD-R7100 (105 mechanical), FD-R7150 (105 Di2) |
| Bottom Bracket | Not included |
| Compatible Bottom Brackets | Threaded: SM-BBR60, BB-RS500, BB-R9100, SM-BB9000, SM-BB6700, SM-BB5700, SM-BB4600, Press-fit: SM-BB72-41B, SM-BB92-41B, SM-BB71-41B, BB-RS500-PB |
| Reference Weight | 754 g (Shimano figure for 170 mm, 50-34T) |
| Manufacturer Code | IFCR7100CX26 |
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